4u-3u-1=8

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Solution for 4u-3u-1=8 equation: 


Simplifying
4u + -3u + -1 = 8

Reorder the terms:
-1 + 4u + -3u = 8

Combine like terms: 4u + -3u = 1u
-1 + 1u = 8

Solving
-1 + 1u = 8

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 + 1u = 8 + 1

Combine like terms: -1 + 1 = 0
0 + 1u = 8 + 1
1u = 8 + 1

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

Divide each side by '1'.
u = 9

Simplifying
u = 9

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