Question

Qual o valor de x na expressão x/4+1=7-x/2

Answer 1

$\frac{x}{4} + 1 = 7 - \frac{x}{2}$

$\frac{x}{4} + \frac{x}{2} = 7 - 1$

$\frac{x + 2x}{4} = 6$

$x + 2x = 4 \times 6$

$3x = 24$

$x = \frac{24}{3}$

$x = 8$

4,2 |2

2,1 |2

1,1 MMC 2×2 = 4