Question

1)resolva a equaçao

$\frac{x}{3} + \frac{x}{2} = \frac{7 + x}{3}$

Answer 1

x/3 + x/2 = ( 7 + x)/3

mmc 3 e 2 = 6

divide o mmc pelo denominador ( elimina mmc )

2 * x + 3 * x = 2 ( 7 + x )

multiplica

2x + 3x = 14 + 2x

5x = 14 + 2x

5x - 2x = 14

3x = 14

x = 14/3 **** resposta