Question

sejam as equacoes: 2x-3x-5=0 e

Answer 1

2x-3x-5=0
-x=5
x=-5

Espero ter ajudado!

Answer 2

R: x= -5
 2x-3x-5=0
2(-5)-3(-5)-5=0
-10+15-5=0
5-5=0
0=0