Question

Com se resolve essa equacao de primeiro grau 2-4x =30-18x+12

Answer 1

Bom dia, para resolver, devemos isolar x.

2-4x= 30-18x+12
2-30-12= -18x+4x
-40 = -14x
x = 40/14
x = 20/7

Answer 2

Resposta:

$2-4x =30-18x+12$

$2-4x=42-18x$

$-4x+18x=42-2$

$14x=40$

$x=\frac{20}{7}$

$\boxed{\boxed{\boxed{\boxed{x=\frac{20}{7} }}}}$