Question

Resolva as equações:

a) 4x + 15 = 95

b) 3x + 37 = 87

c) 2x + 3. ( 3 + x ) = 45

d) 5x + 3.( x + 8 ) = 54 – x

e) 3x + 8 + 5x + 16 = 87

f) 2x + 3. ( 2x + 8 ) = 3. ( x + 5 ) – 5

g) 45 + 6. ( x + 8) = 3x + 15

Answer 1

Resposta:

a)20

b)19,333

c)7,2

d)3,333

e)7,875

f)2,8

g)-26

Explicação passo-a-passo: