Question

a)14×-6=8×+40 b)4×+×-5=2×-3×+18 c)40=3×+4 d)-7×=-63 e)5(2×-1)=8+4× f) 7×+2(6×-3)=-2(×-1)​

Answer 1

Resposta:

a) x = 163

7

b) x = 23

6

c) x = 12

d)x = 9

e) x = 13

6

f) x = 8

21