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Simplifying 620 = 4x + 8y Solving 620 = 4x + 8y 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. 620 + -4x = 4x + -4x + 8y Combine like terms: 4x + -4x = 0 620 + -4x = 0 + 8y 620 + -4x = 8y Add '-620' to each side of the equation. 620 + -620 + -4x = -620 + 8y Combine like terms: 620 + -620 = 0 0 + -4x = -620 + 8y -4x = -620 + 8y Divide each side by '-4'. x = 155 + -2y Simplifying x = 155 + -2y
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