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Simplifying 2x + 20 = 12x + -90 Reorder the terms: 20 + 2x = 12x + -90 Reorder the terms: 20 + 2x = -90 + 12x Solving 20 + 2x = -90 + 12x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12x' to each side of the equation. 20 + 2x + -12x = -90 + 12x + -12x Combine like terms: 2x + -12x = -10x 20 + -10x = -90 + 12x + -12x Combine like terms: 12x + -12x = 0 20 + -10x = -90 + 0 20 + -10x = -90 Add '-20' to each side of the equation. 20 + -20 + -10x = -90 + -20 Combine like terms: 20 + -20 = 0 0 + -10x = -90 + -20 -10x = -90 + -20 Combine like terms: -90 + -20 = -110 -10x = -110 Divide each side by '-10'. x = 11 Simplifying x = 11
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