Question

alguem pra agrrrr???​

Answer 1

Explicação passo-a-passo:

1)

a) x+5 = 8

x = 8 - 5

x = 3

c) x + 6 = 5

x = 5 - 6

x = 1

2)

a) x - 109 = 5

x = 5 + 109

x = 114

3)

a) 3x = 15

x = 15/3

x = 5

c) 4x = -12

x = -12/4

x =  -3

e) 13x = 13

x = 13/13

x = 1