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Simplifying 72 = 30 + -8x Solving 72 = 30 + -8x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8x' to each side of the equation. 72 + 8x = 30 + -8x + 8x Combine like terms: -8x + 8x = 0 72 + 8x = 30 + 0 72 + 8x = 30 Add '-72' to each side of the equation. 72 + -72 + 8x = 30 + -72 Combine like terms: 72 + -72 = 0 0 + 8x = 30 + -72 8x = 30 + -72 Combine like terms: 30 + -72 = -42 8x = -42 Divide each side by '8'. x = -5.25 Simplifying x = -5.25
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