Question

Calcule o valor de x, sabendo que a// b // c

Answer 1

Resposta:

Explicação passo-a-passo:

3/x = 2/4

2x = 12

x = 12/2

x = 6

x/21 = 4/12

12x = 84

x = 84/12

x = 7

Answer 2

Resposta:

Explicação passo-a-passo:

$\frac{2}{4} =\frac{3}{x} \\\\2x=12\\\\x=\frac{12}{2}\\\\x=6$

$\frac{4}{12} =\frac{x}{21} \\\\12.x=84\\\\x=\frac{84}{12} \\\\x=7$