7u-22=-1

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Solution for 7u-22=-1 equation: 


Simplifying
7u + -22 = -1

Reorder the terms:
-22 + 7u = -1

Solving
-22 + 7u = -1

Solving for variable 'u'.

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

Add '22' to each side of the equation.
-22 + 22 + 7u = -1 + 22

Combine like terms: -22 + 22 = 0
0 + 7u = -1 + 22
7u = -1 + 22

Combine like terms: -1 + 22 = 21
7u = 21

Divide each side by '7'.
u = 3

Simplifying
u = 3

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