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OpenStudy (anonymous):
Show how you would solve by Substitution: 2x + y = 0 x – 3y = -7
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OpenStudy (anonymous):
Subsitution is where you subsitute one of the variables
OpenStudy (anonymous):
So like if it was x + y = 2 2x + 4y = 2 we would isolate on varaible x + y = 2 y = 2-x and subsitute it x + (2 - x) = 2
OpenStudy (phi):
can you do this problem ?
OpenStudy (anonymous):
im not sure where to even start @phi
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