6-7u=20

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Solution for 6-7u=20 equation: 


Simplifying
6 + -7u = 20

Solving
6 + -7u = 20

Solving for variable 'u'.

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

Add '-6' to each side of the equation.
6 + -6 + -7u = 20 + -6

Combine like terms: 6 + -6 = 0
0 + -7u = 20 + -6
-7u = 20 + -6

Combine like terms: 20 + -6 = 14
-7u = 14

Divide each side by '-7'.
u = -2

Simplifying
u = -2

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