Question

a) 3-x=5x-15

b) 4x-11=7-2x

Resolva as equações :

Answer 1

A) 3 - x = 5x - 15
- x - 5x = - 15 - 3
- 6x = - 18
x = - 18 / - 6
x = 3

B) 4x - 11 = 7 - 2x
4x + 2x = 7 + 11
6x = 18
x = 18 / 6
x = 3

Answer 2

a) 3-x=5x-15
-x=5x-15-3
-x-5x=-18
-6x=-18
x=-18/-6
x=3