Question

a)5×-30=30
b)2×+13=35
c)4×-5=×+10
d)5×-8=2×+22

me ajudem ai ​

Answer 1

Resposta:

A) 5x - 30 = 30

5x = 30 + 30

5x = 60

x = 60/5

x = 12

B) 2x + 13 = 35

2x = 35 - 13

2x = 22

x = 22/2

x = 11

C) 4x - 5 = x + 10

4x - x = 10 + 5

3x = 15

x = 15/3

x = 5

D) 5x - 8 = 2x + 22

5x - 2x = 22 + 8

3x = 30

x = 30/3

x = 10