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Simplifying 12 = 2x + y Solving 12 = 2x + y Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 12 + -2x = 2x + -2x + y Combine like terms: 2x + -2x = 0 12 + -2x = 0 + y 12 + -2x = y Add '-12' to each side of the equation. 12 + -12 + -2x = -12 + y Combine like terms: 12 + -12 = 0 0 + -2x = -12 + y -2x = -12 + y Divide each side by '-2'. x = 6 + -0.5y Simplifying x = 6 + -0.5y
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