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Simplifying
81k2 + -49m2 = 0
Solving
81k2 + -49m2 = 0
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Add '49m2' to each side of the equation.
81k2 + -49m2 + 49m2 = 0 + 49m2
Combine like terms: -49m2 + 49m2 = 0
81k2 + 0 = 0 + 49m2
81k2 = 0 + 49m2
Remove the zero:
81k2 = 49m2
Divide each side by '81'.
k2 = 0.6049382716m2
Simplifying
k2 = 0.6049382716m2
Take the square root of each side:
k = {-0.777777778m, 0.777777778m}
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