A)(x+15)-8=17 б) (24+x)-21=10 (45-y)+18=58

Question

A)(x+15)-8=17 б) (24+x)-21=10 (45-y)+18=58

Answer 1

А) x + 15 = 17 + 8
x = 25 - 15
x = 10
Б) 24 + x = 10 + 21
x = 31 - 24
x = 7
В) 45 - y = 58 - 18
- y = 40 - 45
- y = - 5
y = 5

Answer 2

А)(х+15)-8=17
х+15-8=17
х=17-15+8
х=10
б)(24+х)-21=10
24+х-21=10
х=10-24+21
х=7
в)(45-у)+18=58
45-у+18=58
-у=58-45-18
-у=-5
у=5