(63-у)+109=121 103-(z+47)=54

Question

(63-у)+109=121 103-(z+47)=54

Answer 1

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Answer 2

63+109-y=121 103
172-y=121 103
-y= 121 103 - 172
-y=120 931
y= -120 931

103-z-47=54
56-z=54
-z=54-56
-z=-2
z=2