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Simplifying
3v2 + 7 = 142
Reorder the terms:
7 + 3v2 = 142
Solving
7 + 3v2 = 142
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 + 3v2 = 142 + -7
Combine like terms: 7 + -7 = 0
0 + 3v2 = 142 + -7
3v2 = 142 + -7
Combine like terms: 142 + -7 = 135
3v2 = 135
Divide each side by '3'.
v2 = 45
Simplifying
v2 = 45
Take the square root of each side:
v = {-6.708203933, 6.708203933}
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