Question

a) x - 5 = 8


b) 3 x + 6 = 12


c) 2 = 7 y - 5

d) 5 c + 2 = 3 c - 9

Answer 1

Resposta:

a) x=8+5

b)3x=12-6

3x=6

x=6/3

x=2

c)-7y=-2-5

-7y=-7.(-1)

7y=7

y=7/7

y=1

d)5c-3c=-9-2

2c=-11

c=-11/2

Explicação passo-a-passo: