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Simplifying 66 + -7x = 2x + -11 Reorder the terms: 66 + -7x = -11 + 2x Solving 66 + -7x = -11 + 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. 66 + -7x + -2x = -11 + 2x + -2x Combine like terms: -7x + -2x = -9x 66 + -9x = -11 + 2x + -2x Combine like terms: 2x + -2x = 0 66 + -9x = -11 + 0 66 + -9x = -11 Add '-66' to each side of the equation. 66 + -66 + -9x = -11 + -66 Combine like terms: 66 + -66 = 0 0 + -9x = -11 + -66 -9x = -11 + -66 Combine like terms: -11 + -66 = -77 -9x = -77 Divide each side by '-9'. x = 8.555555556 Simplifying x = 8.555555556
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