Question

решите уравнения 1)6x/8=12/3 2)12/y=15/7,5

Answer 1

$1)\frac{6x}{8} = \frac{12}{3}\\\\ \frac{3x}{4} = 4\\\\3x = 16\\\\x = \frac{16}{3} \\\\2) \frac{12}{y} = \frac{15}{7,5}\\\\\frac{12}{y} = 2\\\\\frac{y}{12} = \frac{1}{2}\\\\y = 6$