Match the equation with one of the lines in this graph:
y=x+2 line q
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y=7/2x-7 line r
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2y=-x+10 solve for y:
2y = -x + 10
divide both sides by 2:
2y/2 = (-x + 10)/2
y = -1/2x + 5
so 2y = -x + 10 is line p