-7-u-u=1

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


Simplifying
-7 + -1u + -1u = 1

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

Solving
-7 + -2u = 1

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + 7 + -2u = 1 + 7

Combine like terms: -7 + 7 = 0
0 + -2u = 1 + 7
-2u = 1 + 7

Combine like terms: 1 + 7 = 8
-2u = 8

Divide each side by '-2'.
u = -4

Simplifying
u = -4

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