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Simplifying
81c2 + -1t2 = 0
Solving
81c2 + -1t2 = 0
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Add 't2' to each side of the equation.
81c2 + -1t2 + t2 = 0 + t2
Combine like terms: -1t2 + t2 = 0
81c2 + 0 = 0 + t2
81c2 = 0 + t2
Remove the zero:
81c2 = t2
Divide each side by '81'.
c2 = 0.01234567901t2
Simplifying
c2 = 0.01234567901t2
Take the square root of each side:
c = {-0.111111111t, 0.111111111t}
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