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Simplifying 5x2 + 7y2 = 70 Solving 5x2 + 7y2 = 70 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7y2' to each side of the equation. 5x2 + 7y2 + -7y2 = 70 + -7y2 Combine like terms: 7y2 + -7y2 = 0 5x2 + 0 = 70 + -7y2 5x2 = 70 + -7y2 Divide each side by '5'. x2 = 14 + -1.4y2 Simplifying x2 = 14 + -1.4y2 Reorder the terms: -14 + x2 + 1.4y2 = 14 + -1.4y2 + -14 + 1.4y2 Reorder the terms: -14 + x2 + 1.4y2 = 14 + -14 + -1.4y2 + 1.4y2 Combine like terms: 14 + -14 = 0 -14 + x2 + 1.4y2 = 0 + -1.4y2 + 1.4y2 -14 + x2 + 1.4y2 = -1.4y2 + 1.4y2 Combine like terms: -1.4y2 + 1.4y2 = 0.0 -14 + x2 + 1.4y2 = 0.0 The solution to this equation could not be determined.
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