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OpenStudy (vshiroky):
Solve the equation for y 2x+5y=10 y=-2/5x+2 Complete the ordered pair (5,__) (5,0)
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jimthompson5910 (jim_thompson5910):
assuming you got \[\Large y = -\frac{2}{5}x+2\] for the first part you are correct for both parts
OpenStudy (vshiroky):
WOO!
OpenStudy (abmon98):
substitute the y into the first equation
OpenStudy (abmon98):
2x+5(-2/5x+2)=10, 2x-(10/5x+2)=10, 2x(5x+2)-10=10(5x+2), 10x^2-46+10 solve quadratic x=4.4, 0.22
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