Question

pf ajuda / 10 . (20 - x) + 9x = 2 . (x + 1) - 126

Answer 1

Resposta:

$\textsf{Leia abaixo}$

Explicação passo a passo:

$\mathsf{10(20 - x) + 9x = 2(x - 1) - 126}$

$\mathsf{200 - 10x + 9x = 2x - 2 - 126}$

$\mathsf{200 - x = 2x - 128}$

$\mathsf{2x + x = 200 + 128}$

$\mathsf{3x = 328}$

$\boxed{\boxed{\mathsf{x = \dfrac{328}{3}}}}$