6u+5u-8u-3=18

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Solution for 6u+5u-8u-3=18 equation:


Simplifying
6u + 5u + -8u + -3 = 18

Reorder the terms:
-3 + 6u + 5u + -8u = 18

Combine like terms: 6u + 5u = 11u
-3 + 11u + -8u = 18

Combine like terms: 11u + -8u = 3u
-3 + 3u = 18

Solving
-3 + 3u = 18

Solving for variable 'u'.

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

Add '3' to each side of the equation.
-3 + 3 + 3u = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 3u = 18 + 3
3u = 18 + 3

Combine like terms: 18 + 3 = 21
3u = 21

Divide each side by '3'.
u = 7

Simplifying
u = 7

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