Question

qual a resposta da equaçao3x+4-5x=8+3x

Answer 1

Olá,

3x+4-5x = 8+3x
3x-5x+4 = 8+3x
-2x+4 = 8+3x
-2x-3x = 8-4
-5x = 4
x = 4/-5
x = -4/5

Answer 2

3x + 4 - 5x = 8 + 3x

3x - 5x  - 3x = 8 - 4
-5x = 4 .  (-1)
5x =  -4
x = -4/5