4u-87=u

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Solution for 4u-87=u equation:


Simplifying
4u + -87 = u

Reorder the terms:
-87 + 4u = u

Solving
-87 + 4u = u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-87 + 4u + -1u = u + -1u

Combine like terms: 4u + -1u = 3u
-87 + 3u = u + -1u

Combine like terms: u + -1u = 0
-87 + 3u = 0

Add '87' to each side of the equation.
-87 + 87 + 3u = 0 + 87

Combine like terms: -87 + 87 = 0
0 + 3u = 0 + 87
3u = 0 + 87

Combine like terms: 0 + 87 = 87
3u = 87

Divide each side by '3'.
u = 29

Simplifying
u = 29

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