-7u+5=-15

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Solution for -7u+5=-15 equation: 


Simplifying
-7u + 5 = -15

Reorder the terms:
5 + -7u = -15

Solving
5 + -7u = -15

Solving for variable 'u'.

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

Add '-5' to each side of the equation.
5 + -5 + -7u = -15 + -5

Combine like terms: 5 + -5 = 0
0 + -7u = -15 + -5
-7u = -15 + -5

Combine like terms: -15 + -5 = -20
-7u = -20

Divide each side by '-7'.
u = 2.857142857

Simplifying
u = 2.857142857

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