Question 203636: Please help me solve this problem too!
Solve:
4/3x + 1/2y =4
2/3x - 7/12y=-3
Thank you! Found 2 solutions by Earlsdon, stanbon:Answer by Earlsdon(6294) (Show Source):
You can put this solution on YOUR website! Solve:
1)
2)
Multiply equation 2) by 2 and subtract the result from equation 1)
1)
2a)
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3) Multiply both sides by
3) Now substitute this into equation 1) and solve for x.
1a)
1a) Subtract 3 from both sides.
1a) Multiply both sides by
1a)
The solution is: (, )
You can put this solution on YOUR website! 4/3x + 1/2y =4
2/3x - 7/12y=-3
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Multiply thru the 1st equation by 6
Multiply thru the 2nd equation by 12
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8x + 3y = 24
8x - 7y = -36
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Subtract the 2nd from the 1st to solve for "y":
10y = 60
y = 6
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Substitute into 8x + 3y = 24 to solve for "x":
8x + 18 = 24
8x = 6
x = 3/4
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Ans: (3/4 , 6)
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Cheers,
Stan H.