x – 50 = 17 + 21
x = 21 + 17 + 50
x = 88
43 – x = 8 + 8
– x = 8 + 8 – 43
-x = -27
x = 27
x-6=6×6
x-6=36
x-42 = 0
x = 42
36-x=12÷2
36-x=6
-x=6-36
-x=-30
х=30
x – 50 = 17 + 21
x = 21 + 17 + 50
x = 88
43 – x = 8 + 8
– x = 8 + 8 – 43
-x = -27
x = 27
x-6=6×6
x-6=36
x-42 = 0
x = 42
36-x=12÷2
36-x=6
-x=6-36
-x=-30
х=30