algebra
posted by jaime .
A: 7x+7y=77
B: 20x5y=35

First step: divide each equation by the common factors, i.e. first equation by 7, and second equation by 5.
x + y = 11
4x y = 7
Afterwards, use elimination to solve for x and y.
Hint: there will be fractions in the answers.
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