5-2x=-4x+9
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Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?
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What is the value of x in the equation7x+2y=48 when y=3
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Yvaries directly as x. y =90 when x=6. find y when x=13
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