5u+4u-4=40

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Solution for 5u+4u-4=40 equation:


Simplifying
5u + 4u + -4 = 40

Reorder the terms:
-4 + 5u + 4u = 40

Combine like terms: 5u + 4u = 9u
-4 + 9u = 40

Solving
-4 + 9u = 40

Solving for variable 'u'.

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

Add '4' to each side of the equation.
-4 + 4 + 9u = 40 + 4

Combine like terms: -4 + 4 = 0
0 + 9u = 40 + 4
9u = 40 + 4

Combine like terms: 40 + 4 = 44
9u = 44

Divide each side by '9'.
u = 4.888888889

Simplifying
u = 4.888888889

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