1ou-21=7u

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Solution for 1ou-21=7u equation: 


Simplifying
1ou + -21 = 7u

Reorder the terms:
-21 + 1ou = 7u

Solving
-21 + 1ou = 7u

Solving for variable 'o'.

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

Add '21' to each side of the equation.
-21 + 21 + 1ou = 21 + 7u

Combine like terms: -21 + 21 = 0
0 + 1ou = 21 + 7u
1ou = 21 + 7u

Divide each side by '1u'.
o = 21u-1 + 7

Simplifying
o = 21u-1 + 7

Reorder the terms:
o = 7 + 21u-1

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