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Simplifying -7x + 20 = -2(x + 5) Reorder the terms: 20 + -7x = -2(x + 5) Reorder the terms: 20 + -7x = -2(5 + x) 20 + -7x = (5 * -2 + x * -2) 20 + -7x = (-10 + -2x) Solving 20 + -7x = -10 + -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. 20 + -7x + 2x = -10 + -2x + 2x Combine like terms: -7x + 2x = -5x 20 + -5x = -10 + -2x + 2x Combine like terms: -2x + 2x = 0 20 + -5x = -10 + 0 20 + -5x = -10 Add '-20' to each side of the equation. 20 + -20 + -5x = -10 + -20 Combine like terms: 20 + -20 = 0 0 + -5x = -10 + -20 -5x = -10 + -20 Combine like terms: -10 + -20 = -30 -5x = -30 Divide each side by '-5'. x = 6 Simplifying x = 6
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