Question

(45-56:x)*4=152 (y+450):6-29=71

Answer 1

(45-56:x)*4=152
(45-56:x)=152:4
45-56:х=38
56:х=45-38
56:х=7
х=56:7
х=8

(y+450):6-29=71
(y+450):6=71+29
(y+450):6=100
у+450=100*6
у+450=600
у=600-450
у=150

Answer 2

спосибо