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Simplifying 30 + X = 4X Solving 30 + X = 4X Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-4X' to each side of the equation. 30 + X + -4X = 4X + -4X Combine like terms: X + -4X = -3X 30 + -3X = 4X + -4X Combine like terms: 4X + -4X = 0 30 + -3X = 0 Add '-30' to each side of the equation. 30 + -30 + -3X = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -3X = 0 + -30 -3X = 0 + -30 Combine like terms: 0 + -30 = -30 -3X = -30 Divide each side by '-3'. X = 10 Simplifying X = 10
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