Question

3 ( x + 1 ) + 2 ( 2 x - 3 ) = 5 ( x - 1 ) + 8​

Answer 1

Resposta:

x=3

Explicação passo a passo:

$3\left(x+1\right)+2\left(2x-3\right)=5\left(x-1\right)+8\\ \\ 7x-3=5x+3\\ \\ 7x-3+3=5x+3+3\\ \\ 7x=5x+6\\ \\ 7x-5x=5x+6-5x\\ \\ 2x=6\\ \\ \frac{2x}{2}=\frac{6}{2}\\ \\ x=3$