u-7+u-31+56=180

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Solution for u-7+u-31+56=180 equation:


Simplifying
u + -7 + u + -31 + 56 = 180

Reorder the terms:
-7 + -31 + 56 + u + u = 180

Combine like terms: -7 + -31 = -38
-38 + 56 + u + u = 180

Combine like terms: -38 + 56 = 18
18 + u + u = 180

Combine like terms: u + u = 2u
18 + 2u = 180

Solving
18 + 2u = 180

Solving for variable 'u'.

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

Add '-18' to each side of the equation.
18 + -18 + 2u = 180 + -18

Combine like terms: 18 + -18 = 0
0 + 2u = 180 + -18
2u = 180 + -18

Combine like terms: 180 + -18 = 162
2u = 162

Divide each side by '2'.
u = 81

Simplifying
u = 81

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