28-v=7

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Solution for 28-v=7 equation: 


Simplifying
28 + -1v = 7

Solving
28 + -1v = 7

Solving for variable 'v'.

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

Add '-28' to each side of the equation.
28 + -28 + -1v = 7 + -28

Combine like terms: 28 + -28 = 0
0 + -1v = 7 + -28
-1v = 7 + -28

Combine like terms: 7 + -28 = -21
-1v = -21

Divide each side by '-1'.
v = 21

Simplifying
v = 21

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