Question

Уравнении
4.x=20
X •9 = 40 — 4 128:х=4​

Answer 1

Ответ:

$4x = 20 \\ x = 20 \div 4 \\ x = 5$

$x \times 9 = 40 - 4 \\ x = 36 \div 9 \\ x = 4$

$128 \div x = 4 \\ x = 128 \div 4 \\ x = 32$