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Simplifying 90 = 7.5x Solving 90 = 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. 90 + -7.5x = 7.5x + -7.5x Combine like terms: 7.5x + -7.5x = 0.0 90 + -7.5x = 0.0 Add '-90' to each side of the equation. 90 + -90 + -7.5x = 0.0 + -90 Combine like terms: 90 + -90 = 0 0 + -7.5x = 0.0 + -90 -7.5x = 0.0 + -90 Combine like terms: 0.0 + -90 = -90 -7.5x = -90 Divide each side by '-7.5'. x = 12 Simplifying x = 12
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