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Hey guys!! In this video I will show you how to solve and interpret problems involving 1st degree equations. I hope you like it. ????FOLLOW ON INSTAGRAM: https://goo.gl/bMPqqu 1-Twice of a number added with its triple is equal to 45. So, the quadruple of that number is: 36 45 30 32 2-A number added to its consecutive number and triple it results in 81. So, this number is between: 10 and 13 13 and 17 17 and 20 20 and 25 3-In a box there are white balls and black balls in a total of 360. If the number of white balls is quadruple that of black, so the number of white balls is: 72 120 240 288 4-You want to cut a 120cm long strip of leather into two parts such that the length of one is equal to three times that of the other. The largest part measures: 75cm 80cm 90cm 95cm 5-In a box, the number of red balls is triple the number of white balls. If we take 2 white and 26 red, the number of balls of each color will be equal. The number of white balls will be found by solving the equation: 3x – 2 = x + 26 3x – 2 = 26 – x 3x + 26 = x + 2 3x – 26 = x – 2