-84u-24=7u+3909

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Solution for -84u-24=7u+3909 equation:


Simplifying
-84u + -24 = 7u + 3909

Reorder the terms:
-24 + -84u = 7u + 3909

Reorder the terms:
-24 + -84u = 3909 + 7u

Solving
-24 + -84u = 3909 + 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.
-24 + -84u + -7u = 3909 + 7u + -7u

Combine like terms: -84u + -7u = -91u
-24 + -91u = 3909 + 7u + -7u

Combine like terms: 7u + -7u = 0
-24 + -91u = 3909 + 0
-24 + -91u = 3909

Add '24' to each side of the equation.
-24 + 24 + -91u = 3909 + 24

Combine like terms: -24 + 24 = 0
0 + -91u = 3909 + 24
-91u = 3909 + 24

Combine like terms: 3909 + 24 = 3933
-91u = 3933

Divide each side by '-91'.
u = -43.21978022

Simplifying
u = -43.21978022

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