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Simplifying 7x2 + 21y = 11 Solving 7x2 + 21y = 11 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21y' to each side of the equation. 7x2 + 21y + -21y = 11 + -21y Combine like terms: 21y + -21y = 0 7x2 + 0 = 11 + -21y 7x2 = 11 + -21y Divide each side by '7'. x2 = 1.571428571 + -3y Simplifying x2 = 1.571428571 + -3y Reorder the terms: -1.571428571 + x2 + 3y = 1.571428571 + -3y + -1.571428571 + 3y Reorder the terms: -1.571428571 + x2 + 3y = 1.571428571 + -1.571428571 + -3y + 3y Combine like terms: 1.571428571 + -1.571428571 = 0.000000000 -1.571428571 + x2 + 3y = 0.000000000 + -3y + 3y -1.571428571 + x2 + 3y = -3y + 3y Combine like terms: -3y + 3y = 0 -1.571428571 + x2 + 3y = 0 The solution to this equation could not be determined.
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