Question

Calcule o valor de (x) nas proporções:

a) 3
b) 5
c) 4
d) 6
​

Answer 1

Oie, Td Bom?!

>>> Nenhuma das alternativas.

$\frac{2x}{8} = \frac{2}{4}$

$\frac{2x}{8} = \frac{2 \div 2}{4 \div 2}$

$\frac{2x \div 2}{4 \div 2} = \frac{1}{2}$

$\frac{x}{4} = \frac{1}{2}$

$\frac{2x}{4} = 1$

$2x = 1.4$

$2x = 4$

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

$x = 2$

Att. Makaveli1996