Question

1 – Resolva as equações: a) x + 5 = 8 b) x − 4 = 3 c) x + 6 = 5 d) 3x = 15 e) 3x + 2 = 20 f) 4x = −12 g) – 2 a = - 8 h) x + x − 4 = 17 − 2x + 1 i) x + 2x + 3 − 5x = 4x − 9 j) 5x + 6x − 16 = 3x + 2x − 4 k) 5x + 4 = 3x − 2x + 4​

Answer 1

Resposta:

a)13

b)7

c)1

d)5

e)6

F)-3

g)2

h)11/2

i)2

j)2

k)0