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Simplifying 2x + y = 7 + 4x Solving 2x + y = 7 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. 2x + -4x + y = 7 + 4x + -4x Combine like terms: 2x + -4x = -2x -2x + y = 7 + 4x + -4x Combine like terms: 4x + -4x = 0 -2x + y = 7 + 0 -2x + y = 7 Add '-1y' to each side of the equation. -2x + y + -1y = 7 + -1y Combine like terms: y + -1y = 0 -2x + 0 = 7 + -1y -2x = 7 + -1y Divide each side by '-2'. x = -3.5 + 0.5y Simplifying x = -3.5 + 0.5y
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