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Simplifying 31 = -4 + 5x Solving 31 = -4 + 5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5x' to each side of the equation. 31 + -5x = -4 + 5x + -5x Combine like terms: 5x + -5x = 0 31 + -5x = -4 + 0 31 + -5x = -4 Add '-31' to each side of the equation. 31 + -31 + -5x = -4 + -31 Combine like terms: 31 + -31 = 0 0 + -5x = -4 + -31 -5x = -4 + -31 Combine like terms: -4 + -31 = -35 -5x = -35 Divide each side by '-5'. x = 7 Simplifying x = 7
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