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Simplifying (4x + -30) = (2x) Reorder the terms: (-30 + 4x) = (2x) Remove parenthesis around (-30 + 4x) -30 + 4x = (2x) Solving -30 + 4x = (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 + 4x + (-2x) = (2x) + (-2x) Combine like terms: 4x + (-2x) = 2x -30 + 2x = (2x) + (-2x) Combine like terms: (2x) + (-2x) = 0 -30 + 2x = 0 Add '30' to each side of the equation. -30 + 30 + 2x = 0 + 30 Combine like terms: -30 + 30 = 0 0 + 2x = 0 + 30 2x = 0 + 30 Combine like terms: 0 + 30 = 30 2x = 30 Divide each side by '2'. x = 15 Simplifying x = 15
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