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Simplifying x + (8 + -3x) = 42 Remove parenthesis around (8 + -3x) x + 8 + -3x = 42 Reorder the terms: 8 + x + -3x = 42 Combine like terms: x + -3x = -2x 8 + -2x = 42 Solving 8 + -2x = 42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -2x = 42 + -8 Combine like terms: 8 + -8 = 0 0 + -2x = 42 + -8 -2x = 42 + -8 Combine like terms: 42 + -8 = 34 -2x = 34 Divide each side by '-2'. x = -17 Simplifying x = -17
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