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Simplifying 21x + 24y = 30 Solving 21x + 24y = 30 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-24y' to each side of the equation. 21x + 24y + -24y = 30 + -24y Combine like terms: 24y + -24y = 0 21x + 0 = 30 + -24y 21x = 30 + -24y Divide each side by '21'. x = 1.428571429 + -1.142857143y Simplifying x = 1.428571429 + -1.142857143y
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