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Simplifying -1x + 2y = 7 Solving -1x + 2y = 7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2y' to each side of the equation. -1x + 2y + -2y = 7 + -2y Combine like terms: 2y + -2y = 0 -1x + 0 = 7 + -2y -1x = 7 + -2y Divide each side by '-1'. x = -7 + 2y Simplifying x = -7 + 2y
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