9u+87=4u

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Solution for 9u+87=4u equation:


Simplifying
9u + 87 = 4u

Reorder the terms:
87 + 9u = 4u

Solving
87 + 9u = 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
87 + 9u + -4u = 4u + -4u

Combine like terms: 9u + -4u = 5u
87 + 5u = 4u + -4u

Combine like terms: 4u + -4u = 0
87 + 5u = 0

Add '-87' to each side of the equation.
87 + -87 + 5u = 0 + -87

Combine like terms: 87 + -87 = 0
0 + 5u = 0 + -87
5u = 0 + -87

Combine like terms: 0 + -87 = -87
5u = -87

Divide each side by '5'.
u = -17.4

Simplifying
u = -17.4

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