First equation:(x+17)-12=42x+5=42x=42-5x=37
Second equation:115+(35-y)=39150-y=39-y=39-150-y=-111y=111
Therefore, the solutions are x=37 and y=111.
First equation:
(x+17)-12=42
x+5=42
x=42-5
x=37
Second equation:
115+(35-y)=39
150-y=39
-y=39-150
-y=-111
y=111
Therefore, the solutions are x=37 and y=111.