1+4u=9

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Solution for 1+4u=9 equation: 


Simplifying
1 + 4u = 9

Solving
1 + 4u = 9

Solving for variable 'u'.

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

Add '-1' to each side of the equation.
1 + -1 + 4u = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 4u = 9 + -1
4u = 9 + -1

Combine like terms: 9 + -1 = 8
4u = 8

Divide each side by '4'.
u = 2

Simplifying
u = 2

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