Question

4(- 2x + 3) - 5(x-3) = 20, o valor de x é?
7/13
13/7
-7/13
17/3


pvf eu preciso de ajuda uxjxn​

Answer 1

Resposta:

x = 7/13

Explicação passo-a-passo:

4(3-2x) -5(x-3) = 20

12 - 8x - 5x + 15 = 20

27-13x = 20

13x = 7

x = 7/13

Answer 2

Oie, Td Bom?!

4(- 2x + 3) - 5(x - 3) = 20

- 8x + 12 - 5x + 15 = 20

- 13x + 27 = 20

- 13x = 20 - 27

- 13x = - 7

x = -7/-13

x = 7/13

Att. Makaveli1996