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Simplifying 18x + 8y = 7x + 4y Solving 18x + 8y = 7x + 4y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 18x + -7x + 8y = 7x + -7x + 4y Combine like terms: 18x + -7x = 11x 11x + 8y = 7x + -7x + 4y Combine like terms: 7x + -7x = 0 11x + 8y = 0 + 4y 11x + 8y = 4y Add '-8y' to each side of the equation. 11x + 8y + -8y = 4y + -8y Combine like terms: 8y + -8y = 0 11x + 0 = 4y + -8y 11x = 4y + -8y Combine like terms: 4y + -8y = -4y 11x = -4y Divide each side by '11'. x = -0.3636363636y Simplifying x = -0.3636363636y
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