65 + (х + 23) = 105
x + 23 = 105 - 65
x + 23 = 40
x = 40 - 23
x = 20 - 3
x = 17
(у - 34) - 10 = 32
y - 34 = 32 + 10
y - 34 = 42
y = 42 + 34
y = 76
(48 - х) + 35 = 82
48 - x = 82 - 35
48 - x = 50 - 3
48 - x = 47
x = 48 - 47
x = 1
77 - (28 + у) = 27
-28 - y = 27 - 77
-28 - y = -50
y = -28 + 50
y = 22
90 + у * 8 = 154
8 * y = 154 - 90
8 * y = 64
y = 64/8
y = 8
65 + (х + 23) = 105
x + 23 = 105 - 65
x + 23 = 40
x = 40 - 23
x = 20 - 3
x = 17
(у - 34) - 10 = 32
y - 34 = 32 + 10
y - 34 = 42
y = 42 + 34
y = 76
(48 - х) + 35 = 82
48 - x = 82 - 35
48 - x = 50 - 3
48 - x = 47
x = 48 - 47
x = 1
77 - (28 + у) = 27
-28 - y = 27 - 77
-28 - y = -50
y = -28 + 50
y = 22
90 + у * 8 = 154
8 * y = 154 - 90
8 * y = 64
y = 64/8
y = 8