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Simplifying 8 + -2x = 15 + x Solving 8 + -2x = 15 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 8 + -2x + -1x = 15 + x + -1x Combine like terms: -2x + -1x = -3x 8 + -3x = 15 + x + -1x Combine like terms: x + -1x = 0 8 + -3x = 15 + 0 8 + -3x = 15 Add '-8' to each side of the equation. 8 + -8 + -3x = 15 + -8 Combine like terms: 8 + -8 = 0 0 + -3x = 15 + -8 -3x = 15 + -8 Combine like terms: 15 + -8 = 7 -3x = 7 Divide each side by '-3'. x = -2.333333333 Simplifying x = -2.333333333
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