(36+x):10=4

100:(x+3)=10

(7•x)+36=50

72–(6•x)=60
Помогмте пожалуйста

1). (36+х) :10=4
(36+×)=4*10
(36+×)=40
×=40-36
×=4

2)100:(×+3)=10
(×+3)=100:10
(×+3)=10
×=10-3
×=7

3)(7*×)+36=50
(7*×)=50-36
(7*×)=14
×=14:7
×=2

4)72-(6*×)=60
(6*×)=72+60
(6*×)=132
×=132:6
×=22