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OpenStudy (anonymous):
3x + 5y = 78 2x - y = 0 The point of intersection of the lines has an x-coordinate of _____. 78 6 -6 got b
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OpenStudy (anonymous):
I'd solve the 2nd equation for y. You'll get 2x=y. Then substitute 2x into the equation above where you see a y. 3x +5(2x) = 78 Now solve for x after you simplify 3x + 10x =78
OpenStudy (anonymous):
so it is six
OpenStudy (anonymous):
like i said
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