SOLUTION: One number is 20 greater than another. If the lesser number is subtracted from three times the greater number, the difference is 84. Find the numbers.

SOLUTION: One number is 20 greater than another. If the lesser number is subtracted from three times the greater number, the difference is 84. Find the numbers.

Algebra.Com

Question 726132:
One number is 20 greater than another. If the lesser number is subtracted from three times the greater number, the difference is 84. Find the numbers.
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
X=Y+20
3X-Y=84
3(Y+20)-Y=84
3Y+60-Y=84
2Y=84-60
2Y=24
Y=24/2
Y=12 ANS.
X=12+20
X=32 ANS.
PROOF:
3*32-12=84
96-12=84
84=84
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