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Simplifying 4(2 + -1x) = x + 7 (2 * 4 + -1x * 4) = x + 7 (8 + -4x) = x + 7 Reorder the terms: 8 + -4x = 7 + x Solving 8 + -4x = 7 + 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 + -4x + -1x = 7 + x + -1x Combine like terms: -4x + -1x = -5x 8 + -5x = 7 + x + -1x Combine like terms: x + -1x = 0 8 + -5x = 7 + 0 8 + -5x = 7 Add '-8' to each side of the equation. 8 + -8 + -5x = 7 + -8 Combine like terms: 8 + -8 = 0 0 + -5x = 7 + -8 -5x = 7 + -8 Combine like terms: 7 + -8 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2
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