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Simplifying 2x + 81 = 4x + -7 Reorder the terms: 81 + 2x = 4x + -7 Reorder the terms: 81 + 2x = -7 + 4x Solving 81 + 2x = -7 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. 81 + 2x + -4x = -7 + 4x + -4x Combine like terms: 2x + -4x = -2x 81 + -2x = -7 + 4x + -4x Combine like terms: 4x + -4x = 0 81 + -2x = -7 + 0 81 + -2x = -7 Add '-81' to each side of the equation. 81 + -81 + -2x = -7 + -81 Combine like terms: 81 + -81 = 0 0 + -2x = -7 + -81 -2x = -7 + -81 Combine like terms: -7 + -81 = -88 -2x = -88 Divide each side by '-2'. x = 44 Simplifying x = 44
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