Solve and check the linear equation.

9x - (7x - 1) = 2

9x - 7x + 1 = 2 2x + 1 - 1 = 2 - 1 2x = 1 x = 1/2 And you have to check the original equation. 9 * (1/2) - [7 * (1/2) - 1] = 4.5 - (3.5 - 1) = 4.5 - 2.5 = 2

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