Question

Quanto é :

$7x - 5 + x = 15 - 2x$
7x-5+x=15-2x
​

Answer 1

x = 2

$\sf7x - 5 + x = 15 - 2x\\\sf7x + x +2x = 15 + 5\\\sf8x + 2x = 15 + 5\\\sf10x = 20\\\sf x = 20/10\\\sf\\\boxed{\sf x = 2}$