Question

sedo r//s//t determine o valor de x

Answer 1

a) $\frac{4}{8}$ = $\frac{6}{x}$
4x = 6.8
4x = 48
x = 48/4
x = 12

b) $\frac{2x + 2}{8}$ = $\frac{4x - 12}{12}$
8.(4x-12) = 12.(2x + 2)
32x - 96 = 24x + 24
8x = 120
x = 120/8
x = 15

Answer 2

Bora lá!


4/8 = 6/x

4x = 48
x = 48/4
x = 12