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Simplifying 5x + 3 = 87 + -2x Reorder the terms: 3 + 5x = 87 + -2x Solving 3 + 5x = 87 + -2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2x' to each side of the equation. 3 + 5x + 2x = 87 + -2x + 2x Combine like terms: 5x + 2x = 7x 3 + 7x = 87 + -2x + 2x Combine like terms: -2x + 2x = 0 3 + 7x = 87 + 0 3 + 7x = 87 Add '-3' to each side of the equation. 3 + -3 + 7x = 87 + -3 Combine like terms: 3 + -3 = 0 0 + 7x = 87 + -3 7x = 87 + -3 Combine like terms: 87 + -3 = 84 7x = 84 Divide each side by '7'. x = 12 Simplifying x = 12
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