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Simplifying 5x + -87 = -8x + 4 Reorder the terms: -87 + 5x = -8x + 4 Reorder the terms: -87 + 5x = 4 + -8x Solving -87 + 5x = 4 + -8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8x' to each side of the equation. -87 + 5x + 8x = 4 + -8x + 8x Combine like terms: 5x + 8x = 13x -87 + 13x = 4 + -8x + 8x Combine like terms: -8x + 8x = 0 -87 + 13x = 4 + 0 -87 + 13x = 4 Add '87' to each side of the equation. -87 + 87 + 13x = 4 + 87 Combine like terms: -87 + 87 = 0 0 + 13x = 4 + 87 13x = 4 + 87 Combine like terms: 4 + 87 = 91 13x = 91 Divide each side by '13'. x = 7 Simplifying x = 7
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