Substition problem help!! *EASY POINTS* 3x+2y =39........?
3x+2y =39
x^2 +y^2 =169
so Im not sure how to cancel out the ^2's...
cuz then I would get a square root or something rite? but then again my teacher said thats not rite! D:
Or:
x=y +3
x=y^2 +1
wouldn&...
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