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Question from Yumiko, a student:

Solve the following pair of simultaneous equations.

x^2 -4x = y^2-4
3y=2x - 3

Yumiko,

Solve the second equation for y and substitute into the first equation to get

equation

Expand the right side, multiply both sides by 9 to clear the fractions, simplify and factor.

Penny

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