Question

4 - 3. ( 1 - X ) + 12 = 5. ( X + 3 )

Answer 1

Explicación paso a paso:

4 - 3 × ( 1 - x ) + 12 = 5 × ( x + 3 )

1 × ( 1 - x ) + 12 = 5x + 15

1 - x + 12 = 5x + 15

- x + 13 = 5x + 15

13 - 15 = 5x + x

-2 = 6x

-3 = x