3u+4u-7=

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Solution for 3u+4u-7= equation: 


Simplifying
3u + 4u + -7 = 0

Reorder the terms:
-7 + 3u + 4u = 0

Combine like terms: 3u + 4u = 7u
-7 + 7u = 0

Solving
-7 + 7u = 0

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 + 7u = 0 + 7

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

Combine like terms: 0 + 7 = 7
7u = 7

Divide each side by '7'.
u = 1

Simplifying
u = 1

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