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Simplifying -71 + -8x = 7x + 9 Reorder the terms: -71 + -8x = 9 + 7x Solving -71 + -8x = 9 + 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. -71 + -8x + -7x = 9 + 7x + -7x Combine like terms: -8x + -7x = -15x -71 + -15x = 9 + 7x + -7x Combine like terms: 7x + -7x = 0 -71 + -15x = 9 + 0 -71 + -15x = 9 Add '71' to each side of the equation. -71 + 71 + -15x = 9 + 71 Combine like terms: -71 + 71 = 0 0 + -15x = 9 + 71 -15x = 9 + 71 Combine like terms: 9 + 71 = 80 -15x = 80 Divide each side by '-15'. x = -5.333333333 Simplifying x = -5.333333333
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