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Simplifying -81 + 15x + 27y = 0 Solving -81 + 15x + 27y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '81' to each side of the equation. -81 + 15x + 81 + 27y = 0 + 81 Reorder the terms: -81 + 81 + 15x + 27y = 0 + 81 Combine like terms: -81 + 81 = 0 0 + 15x + 27y = 0 + 81 15x + 27y = 0 + 81 Combine like terms: 0 + 81 = 81 15x + 27y = 81 Add '-27y' to each side of the equation. 15x + 27y + -27y = 81 + -27y Combine like terms: 27y + -27y = 0 15x + 0 = 81 + -27y 15x = 81 + -27y Divide each side by '15'. x = 5.4 + -1.8y Simplifying x = 5.4 + -1.8y
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