Question

a) 5x = - 25


b) X + 12 = 80


C) c) 6z - 12 = 20 + z + 3z



d) 5y + 30 = y + 2

Answer 1

Resposta:

a) x = - 25/5

x = - 5

b) x = 80 - 12

x = 68

c) 6z - z - 3z = 20 + 12

2z = 32

z = 32/2

z = 16

d) 5y - y = 2 - 30

4y = - 28

y = -28/4

y = -7