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Simplifying
-5a2 + 7 = -60
Reorder the terms:
7 + -5a2 = -60
Solving
7 + -5a2 = -60
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + -5a2 = -60 + -7
Combine like terms: 7 + -7 = 0
0 + -5a2 = -60 + -7
-5a2 = -60 + -7
Combine like terms: -60 + -7 = -67
-5a2 = -67
Divide each side by '-5'.
a2 = 13.4
Simplifying
a2 = 13.4
Take the square root of each side:
a = {-3.660601044, 3.660601044}
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