Question 565120
7y+15=3x 
15=3x+2y
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Rearrange:
3x = 7y+15
3x = 15-2y
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Substitute and solve for "y":
7y+15 = 15-2y
9y = 0
y = 0
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solve for "x":
3x = 7y+15
3x = 7*0+15
3x = 15
x = 5
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x = 5 and y = 0
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cheers,
Stan H.
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