-21v-45=9v+25

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Solution for -21v-45=9v+25 equation: 


Simplifying
-21v + -45 = 9v + 25

Reorder the terms:
-45 + -21v = 9v + 25

Reorder the terms:
-45 + -21v = 25 + 9v

Solving
-45 + -21v = 25 + 9v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-9v' to each side of the equation.
-45 + -21v + -9v = 25 + 9v + -9v

Combine like terms: -21v + -9v = -30v
-45 + -30v = 25 + 9v + -9v

Combine like terms: 9v + -9v = 0
-45 + -30v = 25 + 0
-45 + -30v = 25

Add '45' to each side of the equation.
-45 + 45 + -30v = 25 + 45

Combine like terms: -45 + 45 = 0
0 + -30v = 25 + 45
-30v = 25 + 45

Combine like terms: 25 + 45 = 70
-30v = 70

Divide each side by '-30'.
v = -2.333333333

Simplifying
v = -2.333333333

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