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OpenStudy (anonymous):
Can somebody help me? My teacher didn't help me with this. Will medal for best answer! =^ x ^= y = x^2 + 7x + 100 y +10x = 30
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OpenStudy (anonymous):
Substitute (30 - 10x) in the place of y in the first equation.
OpenStudy (anonymous):
20x?
OpenStudy (anonymous):
No! 30 - 10x = x^2 + 7x + 100
OpenStudy (anonymous):
x^2 + 7x +10x + 100 - 30 = 0
OpenStudy (anonymous):
You should be able to solve that.
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OpenStudy (nincompoop):
what was being asked tho?
OpenStudy (anonymous):
I'm not quite sure. ._.
OpenStudy (anonymous):
I just had to find both x and y-values and my teacher went out of office
OpenStudy (nincompoop):
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