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Simplifying 42 = 4.5x + 7y Solving 42 = 4.5x + 7y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.5x' to each side of the equation. 42 + -4.5x = 4.5x + -4.5x + 7y Combine like terms: 4.5x + -4.5x = 0.0 42 + -4.5x = 0.0 + 7y 42 + -4.5x = 7y Add '-42' to each side of the equation. 42 + -42 + -4.5x = -42 + 7y Combine like terms: 42 + -42 = 0 0 + -4.5x = -42 + 7y -4.5x = -42 + 7y Divide each side by '-4.5'. x = 9.333333333 + -1.555555556y Simplifying x = 9.333333333 + -1.555555556y
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