9=3u+37+4u

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Solution for 9=3u+37+4u equation:


Simplifying
9 = 3u + 37 + 4u

Reorder the terms:
9 = 37 + 3u + 4u

Combine like terms: 3u + 4u = 7u
9 = 37 + 7u

Solving
9 = 37 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
9 + -7u = 37 + 7u + -7u

Combine like terms: 7u + -7u = 0
9 + -7u = 37 + 0
9 + -7u = 37

Add '-9' to each side of the equation.
9 + -9 + -7u = 37 + -9

Combine like terms: 9 + -9 = 0
0 + -7u = 37 + -9
-7u = 37 + -9

Combine like terms: 37 + -9 = 28
-7u = 28

Divide each side by '-7'.
u = -4

Simplifying
u = -4

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