Question

Resuelva xfiss
-8x-6+x+8= -31+3x-7

Answer 1

Respuesta:

$- 8x - 6 + x + 8 = - 31 + 3x - 7 \\ - 7x + 2 = 3x - 38 \\ - 7x - 3x = - 38 - 2 \\ - 10x = - 40 \\ x = 40 \div 10 \\ x = 4 \\ comprobación \: \\ - 8 \times 4 - 6 + 4 + 8 = - 31 + 3 \times 4 - 7 \\ - 32 - 6 + 12 = - 31 + 12 - 7 \\ - 26 = - 26$

Answer 2

-7x+2=3x-38
-7x-3x=-38-2
-10x=-40
x=4