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Simplifying 130 = 30x + -20 Reorder the terms: 130 = -20 + 30x Solving 130 = -20 + 30x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-30x' to each side of the equation. 130 + -30x = -20 + 30x + -30x Combine like terms: 30x + -30x = 0 130 + -30x = -20 + 0 130 + -30x = -20 Add '-130' to each side of the equation. 130 + -130 + -30x = -20 + -130 Combine like terms: 130 + -130 = 0 0 + -30x = -20 + -130 -30x = -20 + -130 Combine like terms: -20 + -130 = -150 -30x = -150 Divide each side by '-30'. x = 5 Simplifying x = 5
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