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Simplifying 7x + (2x + -5) = 68 Reorder the terms: 7x + (-5 + 2x) = 68 Remove parenthesis around (-5 + 2x) 7x + -5 + 2x = 68 Reorder the terms: -5 + 7x + 2x = 68 Combine like terms: 7x + 2x = 9x -5 + 9x = 68 Solving -5 + 9x = 68 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 9x = 68 + 5 Combine like terms: -5 + 5 = 0 0 + 9x = 68 + 5 9x = 68 + 5 Combine like terms: 68 + 5 = 73 9x = 73 Divide each side by '9'. x = 8.111111111 Simplifying x = 8.111111111
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