Question

calcule preciso urgente
valor de x

a)5 x +5

3x + 13

b)5x-27

x+15

c)4x-6

2x​

Answer 1

Resposta:

a)5 x +5=3x + 13

2x=8

x=8/2=4

b)5x-27=x+15

4x=42

4x=42x=42/4=10,5

c)4x-6=2x

2x=6

x=6/2=3