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Simplifying 2x + 3 + 7y = 15 Reorder the terms: 3 + 2x + 7y = 15 Solving 3 + 2x + 7y = 15 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + 2x + -3 + 7y = 15 + -3 Reorder the terms: 3 + -3 + 2x + 7y = 15 + -3 Combine like terms: 3 + -3 = 0 0 + 2x + 7y = 15 + -3 2x + 7y = 15 + -3 Combine like terms: 15 + -3 = 12 2x + 7y = 12 Add '-7y' to each side of the equation. 2x + 7y + -7y = 12 + -7y Combine like terms: 7y + -7y = 0 2x + 0 = 12 + -7y 2x = 12 + -7y Divide each side by '2'. x = 6 + -3.5y Simplifying x = 6 + -3.5y
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