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Simplifying 2x + 2y + -42 = 0 Reorder the terms: -42 + 2x + 2y = 0 Solving -42 + 2x + 2y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '42' to each side of the equation. -42 + 2x + 42 + 2y = 0 + 42 Reorder the terms: -42 + 42 + 2x + 2y = 0 + 42 Combine like terms: -42 + 42 = 0 0 + 2x + 2y = 0 + 42 2x + 2y = 0 + 42 Combine like terms: 0 + 42 = 42 2x + 2y = 42 Add '-2y' to each side of the equation. 2x + 2y + -2y = 42 + -2y Combine like terms: 2y + -2y = 0 2x + 0 = 42 + -2y 2x = 42 + -2y Divide each side by '2'. x = 21 + -1y Simplifying x = 21 + -1y
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