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Simplifying -84 + -2x = 141 + 7x Solving -84 + -2x = 141 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. -84 + -2x + -7x = 141 + 7x + -7x Combine like terms: -2x + -7x = -9x -84 + -9x = 141 + 7x + -7x Combine like terms: 7x + -7x = 0 -84 + -9x = 141 + 0 -84 + -9x = 141 Add '84' to each side of the equation. -84 + 84 + -9x = 141 + 84 Combine like terms: -84 + 84 = 0 0 + -9x = 141 + 84 -9x = 141 + 84 Combine like terms: 141 + 84 = 225 -9x = 225 Divide each side by '-9'. x = -25 Simplifying x = -25
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