Question

ME AJUDEMMMMMMMMMMMMMMMMMM

Answer 1

Resposta:

equação

a) 2x + 5= 25

2x = 25 - 5

2x = 20

x= 20

2

x= 10

b) x +12= 18

x= 18 - 12

x= 6

c ) x -13 = 3

× = 13 + 3

× = 16

d) x + 25 = 50

x = 50 - 25

x = 25