Question

me ajudemmm,por favor ​

Answer 1

Explicação passo-a-passo:

$a) \frac{x}{2} = \frac{8}{4} \\ 4x = 8.2 \\ x = \frac{16}{4} \\ x = 4 \\ \\ b) \frac{6}{x} = \frac{12}{8 } \\ 12x = 6.8 \\ x = \frac{48}{12} \\ x = 4 \\ \\ c) \frac{5}{7} = \frac{x}{14} \\ 7x = 5.14 \\ x = \frac{70}{7} \\ x = 10 \: \\ \\ d) \frac{8}{3} = \frac{8}{x} \\ 8x = 8.3 \\ x = \frac{24}{8} \\ x = 3 \: \\ \\ e) \frac{x}{5} = \frac{2}{10} \\ 10x = 2.5 \\ x = \frac{10}{10} \\ x = 1 \: \\ \\ f) \frac{3}{9} = \frac{12}{x} \\ 3x = 12.9 \\ x = \frac{108}{3} \\ x = 36$