Question 664113: Seperate 90 into two parts so that the second part is 30 less than twice the first part.Find each part Found 2 solutions by ReadingBoosters, lynnlo:Answer by ReadingBoosters(3246) (Show Source):
You can put this solution on YOUR website! x+y=90
y = 2x-30
Substitute y into the equation
x+ 2x-30 = 90
Combine like terms
3x = 90+30
3x=120
x=40
y=2(80)-30=50
One part is 20, the other part is 50.
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Check
40+50=90
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