Professor Marcos Aba teaches us how to find the values ​​of the unknowns (letters) XY and Z, in a System of Equations that contains three Equations and, at the same time, has three unknowns. And, in the end, he takes the real test to see if the values ​​found correspond to the letters in the three Equations. CHANNEL 02 - Marcos Aba English https://clck.ru/Sob6p Subscribe to him !! YouTube Marcos Aba Matemática TikTok Marcos Aba Matemática Facebook Marcos Aba Matemática Tweeter Marcos Aba Matemática Instagram Marcos Aba Matemática Classes mentioned throughout this lesson: System of Equations - Addition Method https://clck.ru/ThW3s System of Equations - Substitution Method https://clck.ru/TAVFB Similar terms https://clck.ru/TP4iB Share Subscribe Activate the Bell Leave your Like Leave a comment Professor Marcos Aba Matemática's main channel https://clck.ru/SoadL 3.05 Million Subscribers 11 years on YouTube --------------------------------------------------------------------------- Some classes by Prof. Marcos Aba - In alphabetical order: ..... A ..... Addition • ADDITION - (Learn to add decimal numbers ... Angles • Angles - Trigonometry Notable angles 30 ° 45 ° and 60 ° • Notable angles - class 03 Rounding • ROUNDING OF WHOLE NUMBERS AND ... .... D .... Delta: • Delta - Learn to calculate Division • DIVISION - class 04 - Decimal numbers Division of powers with equal bases - Mathematics • Division of powers with equal bases ... Periodic Decimal • PERIODIC DECISION AND GENERATING FRACTION .... AND .... First degree equation https://clck.ru/SiWjX Second degree equation: • Second degree equation - mathematics Third degree equation: https://clck.ru/SiWg8 STATISTICS • AVERAGE, MEDIAN AND MODE - STATISTICS... Algebraic Expressions • ALGEBRAIC EXPRESSIONS - Class 01 .... F .... Bhaskara's Formula: • BHASKARA'S FORMULA - mathematics Fractions - basic notions • Fractions - basic notions .... I .... First degree inequality • FIRST DEGREE INEQUALITY - Mathematics .... J .... Compound Interest - Financial Mathematics • COMPOUND INTEREST - Financial Mathematics Law of sines • Law of sines - Mathematics .... M .... Matrices • MATRICES - Basic notions - Class 01 GCD - Greatest common divisor • GCD - Greatest common divisor + Factorization... GCD - Least Common Multiple • GCD - Least Common Multiple Multiplication • MULTIPLICATION - Class 02 Multiplication of fractions - Math • Multiplication of fractions - Math .... N .... Complex numbers • Complex numbers - Basics Decimal number to fraction • DECIMAL NUMBERS TO FRACTIONS - Number ... Rational Numbers • RATIONAL NUMBERS - Number sets .... P .... PA - Arithmetic Progression: • PA - Arithmetic progression - class 01 Parentheses, brackets and braces - Power and Radiciation • Parentheses, brackets and braces - Expr ... PG - Geometric progression • PG - Geometric Progression - Class 01 Polynomials • Polynomials - multiply and add Percentage: • Percentage - mathematics PROBABILITY • Probability - Math - Class 01 Notable Products • NOTABLE PRODUCTS - The square of the ... Proportion: • Proportion - Math .... R .... Square root and Cubic root - Math • Square root and Cubic root and Exponent... Rule of Signs (plus with minus ...) - Mathematics • Rule of Signs (plus with minus ...... Compound rule of three • Compound rule of three - class 01 Simple rule of three • Simple rule of three - for beginners System of equations • SYSTEM OF FIRST DEGREE EQUATIONS... MABA PRODUCTIONS, MABA MATHEMATICS, MARCOS ABA, MARCOS ABA MATHEMATICS, MABA TIPS, MABA STUDY TIPS, MABA PORTUGUESE LANGUAGE, MABA PHYSICS, MABA PHILOSOPHY, AND MABA CHEMISTRY. #marcosaba #marcosabamatemática #professormarcosaba #aba #maba