-7u+11u+5=2u+31

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Solution for -7u+11u+5=2u+31 equation:


Simplifying
-7u + 11u + 5 = 2u + 31

Reorder the terms:
5 + -7u + 11u = 2u + 31

Combine like terms: -7u + 11u = 4u
5 + 4u = 2u + 31

Reorder the terms:
5 + 4u = 31 + 2u

Solving
5 + 4u = 31 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
5 + 4u + -2u = 31 + 2u + -2u

Combine like terms: 4u + -2u = 2u
5 + 2u = 31 + 2u + -2u

Combine like terms: 2u + -2u = 0
5 + 2u = 31 + 0
5 + 2u = 31

Add '-5' to each side of the equation.
5 + -5 + 2u = 31 + -5

Combine like terms: 5 + -5 = 0
0 + 2u = 31 + -5
2u = 31 + -5

Combine like terms: 31 + -5 = 26
2u = 26

Divide each side by '2'.
u = 13

Simplifying
u = 13

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