-9+8u=u+7+5u

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Solution for -9+8u=u+7+5u equation:


Simplifying
-9 + 8u = u + 7 + 5u

Reorder the terms:
-9 + 8u = 7 + u + 5u

Combine like terms: u + 5u = 6u
-9 + 8u = 7 + 6u

Solving
-9 + 8u = 7 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
-9 + 8u + -6u = 7 + 6u + -6u

Combine like terms: 8u + -6u = 2u
-9 + 2u = 7 + 6u + -6u

Combine like terms: 6u + -6u = 0
-9 + 2u = 7 + 0
-9 + 2u = 7

Add '9' to each side of the equation.
-9 + 9 + 2u = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 2u = 7 + 9
2u = 7 + 9

Combine like terms: 7 + 9 = 16
2u = 16

Divide each side by '2'.
u = 8

Simplifying
u = 8

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