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Simplifying
5 + -7a2 = -80
Solving
5 + -7a2 = -80
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 + -7a2 = -80 + -5
Combine like terms: 5 + -5 = 0
0 + -7a2 = -80 + -5
-7a2 = -80 + -5
Combine like terms: -80 + -5 = -85
-7a2 = -85
Divide each side by '-7'.
a2 = 12.14285714
Simplifying
a2 = 12.14285714
Take the square root of each side:
a = {-3.484660262, 3.484660262}
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