Solve for a
a=62-b
Solve for b
b=62-a
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a+b=31\times 2
Multiply both sides by 2.
a+b=62
Multiply 31 and 2 to get 62.
a=62-b
Subtract b from both sides.
a+b=31\times 2
Multiply both sides by 2.
a+b=62
Multiply 31 and 2 to get 62.
b=62-a
Subtract a from both sides.
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