Solve for x
x=19-y
Solve for y
y=19-x
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x-13+y=6
Subtract 1 from 7 to get 6.
x+y=6+13
Add 13 to both sides.
x+y=19
Add 6 and 13 to get 19.
x=19-y
Subtract y from both sides.
x-13+y=6
Subtract 1 from 7 to get 6.
-13+y=6-x
Subtract x from both sides.
y=6-x+13
Add 13 to both sides.
y=19-x
Add 6 and 13 to get 19.
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