Question

a) 9 x = 2 =4 x + 18


b) 4 x - 18 + 3 x = 10


c) 7 x + 1 = x - 7


d) 2 x - 10 + 7 x + 10 = 180


e) 2 x + 5= x + 7 = 18


f) 4 x + 5 = x + 120


g) 7 y - 10 = y + 50​

Answer 1

Resposta:

a)R:22

b)R:48

c)R:1

d)R:9

e)R:14

f)R:129

g)R:- 3