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posted by Winona Friday, November 19, 2010 at 4:06pm.

show me the steps to solve: z-5-7(z-3)+3(5z+1)

You can combine terms to simplify it, but you cannot "solve" it, since it is not an equation.

z-5-7(z-3)+3(5z+1)=z-5-7z+21+15z+3 =9z+19

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