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Simplifying 4x + 4 = 9x + -36 Reorder the terms: 4 + 4x = 9x + -36 Reorder the terms: 4 + 4x = -36 + 9x Solving 4 + 4x = -36 + 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. 4 + 4x + -9x = -36 + 9x + -9x Combine like terms: 4x + -9x = -5x 4 + -5x = -36 + 9x + -9x Combine like terms: 9x + -9x = 0 4 + -5x = -36 + 0 4 + -5x = -36 Add '-4' to each side of the equation. 4 + -4 + -5x = -36 + -4 Combine like terms: 4 + -4 = 0 0 + -5x = -36 + -4 -5x = -36 + -4 Combine like terms: -36 + -4 = -40 -5x = -40 Divide each side by '-5'. x = 8 Simplifying x = 8

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