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Simplifying 280 = 2x + -7 Reorder the terms: 280 = -7 + 2x Solving 280 = -7 + 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. 280 + -2x = -7 + 2x + -2x Combine like terms: 2x + -2x = 0 280 + -2x = -7 + 0 280 + -2x = -7 Add '-280' to each side of the equation. 280 + -280 + -2x = -7 + -280 Combine like terms: 280 + -280 = 0 0 + -2x = -7 + -280 -2x = -7 + -280 Combine like terms: -7 + -280 = -287 -2x = -287 Divide each side by '-2'. x = 143.5 Simplifying x = 143.5
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