u-13=-7

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Solution for u-13=-7 equation: 


Simplifying
u + -13 = -7

Reorder the terms:
-13 + u = -7

Solving
-13 + u = -7

Solving for variable 'u'.

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

Add '13' to each side of the equation.
-13 + 13 + u = -7 + 13

Combine like terms: -13 + 13 = 0
0 + u = -7 + 13
u = -7 + 13

Combine like terms: -7 + 13 = 6
u = 6

Simplifying
u = 6

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