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7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.