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Simplifying
84 = -90v2 + 186
Reorder the terms:
84 = 186 + -90v2
Solving
84 = 186 + -90v2
Solving for variable 'v'.
Move all terms containing v to the left, all other terms to the right.
Add '90v2' to each side of the equation.
84 + 90v2 = 186 + -90v2 + 90v2
Combine like terms: -90v2 + 90v2 = 0
84 + 90v2 = 186 + 0
84 + 90v2 = 186
Add '-84' to each side of the equation.
84 + -84 + 90v2 = 186 + -84
Combine like terms: 84 + -84 = 0
0 + 90v2 = 186 + -84
90v2 = 186 + -84
Combine like terms: 186 + -84 = 102
90v2 = 102
Divide each side by '90'.
v2 = 1.133333333
Simplifying
v2 = 1.133333333
Take the square root of each side:
v = {-1.064581295, 1.064581295}
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