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Simplifying 30 = 4 + -2x Solving 30 = 4 + -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. 30 + 2x = 4 + -2x + 2x Combine like terms: -2x + 2x = 0 30 + 2x = 4 + 0 30 + 2x = 4 Add '-30' to each side of the equation. 30 + -30 + 2x = 4 + -30 Combine like terms: 30 + -30 = 0 0 + 2x = 4 + -30 2x = 4 + -30 Combine like terms: 4 + -30 = -26 2x = -26 Divide each side by '2'. x = -13 Simplifying x = -13
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