Question

3 (×-2)-(1-×)=13
ajude-me

Answer 1

RESPOSTA CERTA:
3(X-2)-(1-X)=13
3X-6-1+X=13
3X+X=13+6+1
4X=20
X=20/4
X=5

Answer 2

$Resolu\c{c}\~ao \to \left\{\begin{array}{ccc}3*(x-2)-(1-x) = 13\\\\3x-6-1+x = 13\\\\4x-7 = 13\\\\4x = 13+7\\\\4x = 20\\\\\boxed{\boxed{x = \frac{20}{4} = 5}}\end{array}\right$

Espero ter ajudado. =^.^=