Question

Помогите ПЖ срооооочно

Answer 1

1)15+36:x=24
36:x=24-15
36:x=9
x=36:9
x=4

Answer 2

2) 5у+9у-7у+3=52
7у=52-3
7у=49
у=49:7
у=7

3) 6•(50-3х)=30
50-3х=5
-3х=50-5
-3х=45
х=-15