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Simplifying -7x + 8 = -9x + 4 Reorder the terms: 8 + -7x = -9x + 4 Reorder the terms: 8 + -7x = 4 + -9x Solving 8 + -7x = 4 + -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. 8 + -7x + 9x = 4 + -9x + 9x Combine like terms: -7x + 9x = 2x 8 + 2x = 4 + -9x + 9x Combine like terms: -9x + 9x = 0 8 + 2x = 4 + 0 8 + 2x = 4 Add '-8' to each side of the equation. 8 + -8 + 2x = 4 + -8 Combine like terms: 8 + -8 = 0 0 + 2x = 4 + -8 2x = 4 + -8 Combine like terms: 4 + -8 = -4 2x = -4 Divide each side by '2'. x = -2 Simplifying x = -2
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