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In this MATHEMATICS class, we will talk about the FIRST DEGREE EQUATION SYSTEM. SUBSTITUTION Method. I WILL TEACH YOU HOW TO SOLVE IT IN 2 STEPS. The 1st STEP is to isolate one of the unknowns; the 2nd STEP is to replace the isolated unknown in the second equation. ⏯️Social Networks. Instagram: @micamatica ( / .. . ) ???? Follow the Teacher. ???????? Like the content. ???? Comment (It helps a lot) ➡️ Share it with a colleague. ???????????? Be a supporter of this CHANNEL. PIX [email protected] ???? Don't forget to SHARE this video lesson and recommend it to your friends. ???? Leave a LIKE