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Simplifying 30 = 7.5x Solving 30 = 7.5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.5x' to each side of the equation. 30 + -7.5x = 7.5x + -7.5x Combine like terms: 7.5x + -7.5x = 0.0 30 + -7.5x = 0.0 Add '-30' to each side of the equation. 30 + -30 + -7.5x = 0.0 + -30 Combine like terms: 30 + -30 = 0 0 + -7.5x = 0.0 + -30 -7.5x = 0.0 + -30 Combine like terms: 0.0 + -30 = -30 -7.5x = -30 Divide each side by '-7.5'. x = 4 Simplifying x = 4
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