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Simplifying -156 + 2x = 249 + -7x Solving -156 + 2x = 249 + -7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7x' to each side of the equation. -156 + 2x + 7x = 249 + -7x + 7x Combine like terms: 2x + 7x = 9x -156 + 9x = 249 + -7x + 7x Combine like terms: -7x + 7x = 0 -156 + 9x = 249 + 0 -156 + 9x = 249 Add '156' to each side of the equation. -156 + 156 + 9x = 249 + 156 Combine like terms: -156 + 156 = 0 0 + 9x = 249 + 156 9x = 249 + 156 Combine like terms: 249 + 156 = 405 9x = 405 Divide each side by '9'. x = 45 Simplifying x = 45
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