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2x+3y=40-2x+2y=20

Since 2x does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 2x from both sides.
3y=-2x

Divide each term in the equation by 3.
(3y)/(3)=-(2x)/(3)

Simplify the left-hand side of the equation by canceling the common terms.
y=-(2x)/(3)

if you were solving for x It would be x=-(3y)/2

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โˆ™ 2009-10-16 02:48:20
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Q: 2x plus 3y equal 40 -2x plus 2y equal 20?
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