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Simplifying 2x + 1 = 9x + -13 Reorder the terms: 1 + 2x = 9x + -13 Reorder the terms: 1 + 2x = -13 + 9x Solving 1 + 2x = -13 + 9x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9x' to each side of the equation. 1 + 2x + -9x = -13 + 9x + -9x Combine like terms: 2x + -9x = -7x 1 + -7x = -13 + 9x + -9x Combine like terms: 9x + -9x = 0 1 + -7x = -13 + 0 1 + -7x = -13 Add '-1' to each side of the equation. 1 + -1 + -7x = -13 + -1 Combine like terms: 1 + -1 = 0 0 + -7x = -13 + -1 -7x = -13 + -1 Combine like terms: -13 + -1 = -14 -7x = -14 Divide each side by '-7'. x = 2 Simplifying x = 2
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