Given (2x - 9)/5 = 1, prove x = 7

Given (2x - 9)/5 = 1 , prove x = 7.

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(2x - 9)/5 = 1
2x - 9 = 5   {multiplied each side by 5}
2x = 14   {added 9 to each side}
x = 7   {divided each side by 2}

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