Question

5(2+3y)-4=7y-10. Срочно могите

Answer 1

10+15y-4=7y-10
15y-7y=-10-10+4
8y=-16
y=-2
Ответ:-2.

Answer 2

$5(2+3y)-4=7y-10 \\ 10+15y-4=7y-10 \\ 15y-7y=-10-10+4\\ 8y=-16\\y=-2$