Question

Calcule o valor de x nas proporções: 2x / 8 = 2 / 4

Answer 1

2x.4= 8x. 2.8=16. X= 16/8 =2

Answer 2

Oie, Td Bom?!

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

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

$\frac{2x \div 2}{8 \div 2} = \frac{1}{2}$

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

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

$2x = 1.4$

$2x = 4$

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

$x = 2$

Att. Makaveli1996