-2u-1=-13

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Solution for -2u-1=-13 equation: 


Simplifying
-2u + -1 = -13

Reorder the terms:
-1 + -2u = -13

Solving
-1 + -2u = -13

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 + -2u = -13 + 1

Combine like terms: -1 + 1 = 0
0 + -2u = -13 + 1
-2u = -13 + 1

Combine like terms: -13 + 1 = -12
-2u = -12

Divide each side by '-2'.
u = 6

Simplifying
u = 6

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