Question

$5y + 12 = y - 4$
​não e de sociologia
e de mat3marica

Answer 1

Resposta:

5y-12=y-4

We simplify the equation to the form, which is simple to understand  

5y-12=y-4

We move all terms containing y to the left and all other terms to the right.  

+5y-1y=-4+12

We simplify left and right side of the equation.  

+4y=+8

We divide both sides of the equation by 4 to get y.  

y=2

Explicação: