u-7+2u+8=16

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Solution for u-7+2u+8=16 equation:


Simplifying
u + -7 + 2u + 8 = 16

Reorder the terms:
-7 + 8 + u + 2u = 16

Combine like terms: -7 + 8 = 1
1 + u + 2u = 16

Combine like terms: u + 2u = 3u
1 + 3u = 16

Solving
1 + 3u = 16

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 + 3u = 16 + -1

Combine like terms: 1 + -1 = 0
0 + 3u = 16 + -1
3u = 16 + -1

Combine like terms: 16 + -1 = 15
3u = 15

Divide each side by '3'.
u = 5

Simplifying
u = 5

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