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Simplifying 4.2x + 2.5y = -9.1 Solving 4.2x + 2.5y = -9.1 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5y' to each side of the equation. 4.2x + 2.5y + -2.5y = -9.1 + -2.5y Combine like terms: 2.5y + -2.5y = 0.0 4.2x + 0.0 = -9.1 + -2.5y 4.2x = -9.1 + -2.5y Divide each side by '4.2'. x = -2.166666667 + -0.5952380952y Simplifying x = -2.166666667 + -0.5952380952y
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