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Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7
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What is the result of adding the system of equations? 2x+y=4 3x-y=6
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If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b
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-8x - (3x + 6 ) = 4 - x...
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