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OpenStudy (anonymous):
Use the Substitution Method to solve the following system of equations. 2x - 9y = 1 x - 4y = 1 (1, 5) (-5, -1) (5, 1) (-5, 1)
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OpenStudy (anonymous):
3rd, (1,5)
OpenStudy (anonymous):
Plug your answers into the equation until you get it right. Or solve for x and substitute.
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
x=1+4y from the 2nd equation, now put this in 1st equation, hence the answer
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