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Simplifying
8v2 + -7 = 665
Reorder the terms:
-7 + 8v2 = 665
Solving
-7 + 8v2 = 665
Solving for variable 'v'.
Move all terms containing v to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 8v2 = 665 + 7
Combine like terms: -7 + 7 = 0
0 + 8v2 = 665 + 7
8v2 = 665 + 7
Combine like terms: 665 + 7 = 672
8v2 = 672
Divide each side by '8'.
v2 = 84
Simplifying
v2 = 84
Take the square root of each side:
v = {-9.16515139, 9.16515139}
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