Question

2.Calcule as equações:

a) 4x – 34 = 56 – x b) 15 + 2x = - 3x – 15 c) 5x – 2x = 23 – 20

d) 27 – x + 7x = 67- 2x e) 10x – 8x = 55 - 45 f) x+ x+ x + x= 60

Answer 1

A) x=18

B) x= -6

C) x= 1

D) x= 5

E) x= 5

F) x= 15

Answer 2

Resposta:

a) x = 18

b) x = -6

c) x = 1

d) x = 5

e) x = 5

f) x = 15

Explicação passo a passo: