Question

a)2 . 3x -2 =162
b)3 . 5x -1 =75

Answer 1

Resposta:

a) 27,33 b) 5,067

Explicação passo-a-passo:

a) 2 . 3x -2 = 162 ->

6x - 2 = 162 ->

6x = 162 + 2 ->

x= 164/6 ->

x= 27,33

b) 3 . 5x -1 = 75 ->

15x = 75 + 1 ->

x= 76/15 ->

x=  5,067