(163 - х) - 117 = 0
(456 + 112) - x = 400
145 - (х + 45) = 50
x - (203 + 303) = 34
(39 + х) - 27 = 22
468 - 217 - х = 51
(456 + 112) - x = 400
145 - (х + 45) = 50
x - (203 + 303) = 34
(39 + х) - 27 = 22
468 - 217 - х = 51
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Answers & Comments
x=163-117
x=46
456+112-x=400
x=456+112-400
x=168
145-x-45=50
x=145-45-50
x=50
x-203-303=34
x=34+203+303
x=540
39+x-27=22
x=22-39+27
x=10
468-217-x=51
x=468-217-51
x=200