Question

12-4(x-3) = 39 - 9x
срочно 25 баллов

Answer 1

$12 - 4x + 12 - 39 + 9x = 0 \ 5x = 15 \ x = 3$

Answer 2

12-4(х-3)=39-9х
12-4х-7=39-9х
-4х+9х=39-12+7
5х=34
х=34÷5
х=6,8