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Simplifying
81a2 + -16t2 = 0
Solving
81a2 + -16t2 = 0
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '16t2' to each side of the equation.
81a2 + -16t2 + 16t2 = 0 + 16t2
Combine like terms: -16t2 + 16t2 = 0
81a2 + 0 = 0 + 16t2
81a2 = 0 + 16t2
Remove the zero:
81a2 = 16t2
Divide each side by '81'.
a2 = 0.1975308642t2
Simplifying
a2 = 0.1975308642t2
Take the square root of each side:
a = {-0.444444444t, 0.444444444t}
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