Question

4у+2=3(10-у)
Даю 20 балів.

Answer 1

Ответ:

y = 4

Объяснение:

4у + 2 = 3(10 - у)

4y + 2 = 30 - 3y

4y + 3y = 30 - 2

7y = 28

y = 4

Answer 2

$4y + 2 = 3(10y)$

$4y + 2 = 30 - 3y$

$4y = - 3y + 28$

$4y - ( - 3y) = 28$

$7y = 28$

$y = 28 \div 7$

$y = 4$