4u+7=9

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Solution for 4u+7=9 equation: 


Simplifying
4u + 7 = 9

Reorder the terms:
7 + 4u = 9

Solving
7 + 4u = 9

Solving for variable 'u'.

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

Add '-7' to each side of the equation.
7 + -7 + 4u = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 4u = 9 + -7
4u = 9 + -7

Combine like terms: 9 + -7 = 2
4u = 2

Divide each side by '4'.
u = 0.5

Simplifying
u = 0.5

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