Alg 1 Mixed Review

Eliminate one of the variables. 7x - 5y = 40 8x + 5y = -31

Eliminate one of the variables -4x + 12y = 13 4x - 3y = -13

Write as an equation: Nathan has 9 more cars than William. (Let n be the the number of cars Nathan has and w be the number of cars William has.)

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