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Simplifying 30 + -2.50x = 4.50x Solving 30 + -2.50x = 4.50x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.50x' to each side of the equation. 30 + -2.50x + -4.50x = 4.50x + -4.50x Combine like terms: -2.50x + -4.50x = -7x 30 + -7x = 4.50x + -4.50x Combine like terms: 4.50x + -4.50x = 0.00 30 + -7x = 0.00 Add '-30' to each side of the equation. 30 + -30 + -7x = 0.00 + -30 Combine like terms: 30 + -30 = 0 0 + -7x = 0.00 + -30 -7x = 0.00 + -30 Combine like terms: 0.00 + -30 = -30 -7x = -30 Divide each side by '-7'. x = 4.285714286 Simplifying x = 4.285714286
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