Question

реши уравнение х : 6 = 12 \\\\\\\\\\\ у * 8 = 88 \\\\\\\\\\\\\\ 4 * х = 81 - 61

Answer 1

$x:6=12\\x=12\cdot 6\ \ \ \ \ \ \boxed{x=72}\\\\\\y\cdot8=88\\y=88:8\ \ \ \ \ \ \boxed{y=11}\\\\\\4\cdot x=81-61\\4\cdot x=20\\x=20:4\ \ \ \ \ \ \boxed{x=5}$