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Simplifying
7 = v2 + -2 * 8 * 2
Multiply -2 * 8
7 = v2 + -16 * 2
Multiply -16 * 2
7 = v2 + -32
Reorder the terms:
7 = -32 + v2
Solving
7 = -32 + v2
Solving for variable 'v'.
Move all terms containing v to the left, all other terms to the right.
Add '-1v2' to each side of the equation.
7 + -1v2 = -32 + v2 + -1v2
Combine like terms: v2 + -1v2 = 0
7 + -1v2 = -32 + 0
7 + -1v2 = -32
Add '-7' to each side of the equation.
7 + -7 + -1v2 = -32 + -7
Combine like terms: 7 + -7 = 0
0 + -1v2 = -32 + -7
-1v2 = -32 + -7
Combine like terms: -32 + -7 = -39
-1v2 = -39
Divide each side by '-1'.
v2 = 39
Simplifying
v2 = 39
Take the square root of each side:
v = {-6.244997998, 6.244997998}
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