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Multiply the first by 8 and the second by 3

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โˆ™ 2010-04-22 15:41:35
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Q: 3x plus 10y equals 7 -8x - 4y equals 17?
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If x equals 6 and y equals 7 then 3x plus 10y equals?

18 + 70 ie 87


What is the answer to 4x plus 5y plus 3x plus 5y?

It is: 7x+10y


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Can you show me how to solve graphically 3x plus 4y equals 5 and x-2Y equals 5?

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What is 5x plus 17 equals 2x plus 41?

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How do you solve -2x-10y-12 and 3x y equals 4?

-2x-10y-12+3xy=4Put all x's to the other side and the ones with y's on the other:-10y+3xy=4+2x+12-10y+3xy=16+2xNow you factor a y from the side with the y's:y(-10+3x)=16+2xDivide both sides by (-10+3x):y=(16+2x)/(-10+3x)


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one