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Simplifying
36a2 + -5 = 20
Reorder the terms:
-5 + 36a2 = 20
Solving
-5 + 36a2 = 20
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 36a2 = 20 + 5
Combine like terms: -5 + 5 = 0
0 + 36a2 = 20 + 5
36a2 = 20 + 5
Combine like terms: 20 + 5 = 25
36a2 = 25
Divide each side by '36'.
a2 = 0.6944444444
Simplifying
a2 = 0.6944444444
Take the square root of each side:
a = {-0.833333333, 0.833333333}
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