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Simplifying 250 + -7x = -20 + 2x Solving 250 + -7x = -20 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 250 + -7x + -2x = -20 + 2x + -2x Combine like terms: -7x + -2x = -9x 250 + -9x = -20 + 2x + -2x Combine like terms: 2x + -2x = 0 250 + -9x = -20 + 0 250 + -9x = -20 Add '-250' to each side of the equation. 250 + -250 + -9x = -20 + -250 Combine like terms: 250 + -250 = 0 0 + -9x = -20 + -250 -9x = -20 + -250 Combine like terms: -20 + -250 = -270 -9x = -270 Divide each side by '-9'. x = 30 Simplifying x = 30
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