Question

x + 7 = 4x pfvr ajuda​

Answer 1

Resposta:

• x + 7 = 4x

x = 7-7 = 4x -7

- x = 4x -7

x -4x = 4x -7 -4x

- -3x=-7

-3/-3 = -7/-3

X=$\frac{7}{3}$