91=7u

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Solution for 91=7u equation:


Simplifying
91 = 7u

Solving
91 = 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
91 + -7u = 7u + -7u

Combine like terms: 7u + -7u = 0
91 + -7u = 0

Add '-91' to each side of the equation.
91 + -91 + -7u = 0 + -91

Combine like terms: 91 + -91 = 0
0 + -7u = 0 + -91
-7u = 0 + -91

Combine like terms: 0 + -91 = -91
-7u = -91

Divide each side by '-7'.
u = 13

Simplifying
u = 13

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