Question

Resposta certa -2(2x+3)=5-x contas de equacoes

Answer 1

-2 x ( 2x+3 ) = -4x+3 

-4x+x+3=5
-3x =5-3 
-3x=2
X=2/-3 
X=-2/3.

Answer 2

-2 (2x+3)=5-x
-4x+(-6)=5-x
-4x+x=5-6
-4x^2=-1
x^2=-1/4
x=1/4