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Simplifying 13x + 15y = 28 Solving 13x + 15y = 28 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15y' to each side of the equation. 13x + 15y + -15y = 28 + -15y Combine like terms: 15y + -15y = 0 13x + 0 = 28 + -15y 13x = 28 + -15y Divide each side by '13'. x = 2.153846154 + -1.153846154y Simplifying x = 2.153846154 + -1.153846154y
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