SOLUTION: One number is four more than a second number. Two times the first number is 12 more than four times the second number.

SOLUTION: One number is four more than a second number. Two times the first number is 12 more than four times the second number.

Algebra.Com

Question 301445: One number is four more than a second number. Two times the first number is 12 more than four times the second number.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
X=Y+4
2X=4Y+12
2(Y+4)=4Y+12
2Y+8=4Y+12
2Y-4Y=12-8
-2Y=4
Y=4/-2
Y=-2 ANS.
X=-2+4=2 ANS.
PROOF:
2*2=4*-2+12
4=-8+12
4=4

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