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Simplifying 81x2 + -49y2 = 3969 Solving 81x2 + -49y2 = 3969 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49y2' to each side of the equation. 81x2 + -49y2 + 49y2 = 3969 + 49y2 Combine like terms: -49y2 + 49y2 = 0 81x2 + 0 = 3969 + 49y2 81x2 = 3969 + 49y2 Divide each side by '81'. x2 = 49 + 0.6049382716y2 Simplifying x2 = 49 + 0.6049382716y2 Reorder the terms: -49 + x2 + -0.6049382716y2 = 49 + 0.6049382716y2 + -49 + -0.6049382716y2 Reorder the terms: -49 + x2 + -0.6049382716y2 = 49 + -49 + 0.6049382716y2 + -0.6049382716y2 Combine like terms: 49 + -49 = 0 -49 + x2 + -0.6049382716y2 = 0 + 0.6049382716y2 + -0.6049382716y2 -49 + x2 + -0.6049382716y2 = 0.6049382716y2 + -0.6049382716y2 Combine like terms: 0.6049382716y2 + -0.6049382716y2 = 0.0000000000 -49 + x2 + -0.6049382716y2 = 0.0000000000 The solution to this equation could not be determined.
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