Question

a]3+x=0
b]23x+2=2 c]12-7+4x=25

Answer 1

Explicação passo-a-passo:

a) 3+x=0

x= 0 - 3

x= -3

b) 23x +2 =2

23x = 2 - 2

23x =0

x= 0 ÷ 23

x= 0

c) 12 - 7 +4x = 25

5 +4x = 25

4x = 25 - 5

4x = 20

x= 20÷4

x= 5