Question

8x + 4 = x + 25

2x = -4x + 36

9x + 2x -8 = 10x -5 + 15​

Answer 1

olá !!!

$a)\\8x + 4 = x + 25\\8x-x=25-4\\7x=21\\x=21/7\\x=3\\\\\\b)\\2x = -4x + 36\\2x+4x=36\\6x=36\\x=36/6\\x=6\\\\c)\\9x + 2x -8 = 10x -5+15\\11x-10x=10+8\\x=18$

espero ter ajudado

att: jovem lendário