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OpenStudy (anonymous):
Solve the following system of equations. Answer in an ordered pair. 2x+5y=16 -5x-2y=2 Help please!
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OpenStudy (anonymous):
4x + 10y = 32 -25x - 10y = 10 -21x = 42 x = 42/-21
OpenStudy (anonymous):
and is y 0?
OpenStudy (anonymous):
Sorry you have to plug back in x correct? into one of the originals?
OpenStudy (anonymous):
x = -2 substitute 4(-2) +10y = 32 -8 +10y = 32 y =40/10 y=4
OpenStudy (anonymous):
yes ^^
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OpenStudy (anonymous):
So the correct answer is (-2,4)?
OpenStudy (anonymous):
yupe
OpenStudy (anonymous):
Thank you
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