Question

—Теңдеу
1)4*(3+2х)=52
2)225:(х+2)=9​

Answer 1

Пошаговое объяснение:

1).

$4 \times (3 + 2x) = 52$

$12 + 8x = 52$

$8x = 52 - 12$

$8x = 40$

$x = 40 \div 8$

$x = 5$

2).

$225 \div (x + 2) = 9$

$225 = 9 \times (x + 2)$

$225 = 9x + 18$

$9x = 225 - 18$

$9x = 207$

$x = 23$