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Simplifying 4x + -87 = x Reorder the terms: -87 + 4x = x Solving -87 + 4x = 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. -87 + 4x + -1x = x + -1x Combine like terms: 4x + -1x = 3x -87 + 3x = x + -1x Combine like terms: x + -1x = 0 -87 + 3x = 0 Add '87' to each side of the equation. -87 + 87 + 3x = 0 + 87 Combine like terms: -87 + 87 = 0 0 + 3x = 0 + 87 3x = 0 + 87 Combine like terms: 0 + 87 = 87 3x = 87 Divide each side by '3'. x = 29 Simplifying x = 29
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