7u-2u-1=14

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Solution for 7u-2u-1=14 equation: 


Simplifying
7u + -2u + -1 = 14

Reorder the terms:
-1 + 7u + -2u = 14

Combine like terms: 7u + -2u = 5u
-1 + 5u = 14

Solving
-1 + 5u = 14

Solving for variable 'u'.

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

Add '1' to each side of the equation.
-1 + 1 + 5u = 14 + 1

Combine like terms: -1 + 1 = 0
0 + 5u = 14 + 1
5u = 14 + 1

Combine like terms: 14 + 1 = 15
5u = 15

Divide each side by '5'.
u = 3

Simplifying
u = 3

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