7u-3-1u+8=56

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Solution for 7u-3-1u+8=56 equation:


Simplifying
7u + -3 + -1u + 8 = 56

Reorder the terms:
-3 + 8 + 7u + -1u = 56

Combine like terms: -3 + 8 = 5
5 + 7u + -1u = 56

Combine like terms: 7u + -1u = 6u
5 + 6u = 56

Solving
5 + 6u = 56

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 + 6u = 56 + -5

Combine like terms: 5 + -5 = 0
0 + 6u = 56 + -5
6u = 56 + -5

Combine like terms: 56 + -5 = 51
6u = 51

Divide each side by '6'.
u = 8.5

Simplifying
u = 8.5

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