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Simplifying 90x + -270 = 20 + -40x Reorder the terms: -270 + 90x = 20 + -40x Solving -270 + 90x = 20 + -40x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '40x' to each side of the equation. -270 + 90x + 40x = 20 + -40x + 40x Combine like terms: 90x + 40x = 130x -270 + 130x = 20 + -40x + 40x Combine like terms: -40x + 40x = 0 -270 + 130x = 20 + 0 -270 + 130x = 20 Add '270' to each side of the equation. -270 + 270 + 130x = 20 + 270 Combine like terms: -270 + 270 = 0 0 + 130x = 20 + 270 130x = 20 + 270 Combine like terms: 20 + 270 = 290 130x = 290 Divide each side by '130'. x = 2.230769231 Simplifying x = 2.230769231
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