3u+7(u-2)=16

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Solution for 3u+7(u-2)=16 equation:


Simplifying
3u + 7(u + -2) = 16

Reorder the terms:
3u + 7(-2 + u) = 16
3u + (-2 * 7 + u * 7) = 16
3u + (-14 + 7u) = 16

Reorder the terms:
-14 + 3u + 7u = 16

Combine like terms: 3u + 7u = 10u
-14 + 10u = 16

Solving
-14 + 10u = 16

Solving for variable 'u'.

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

Add '14' to each side of the equation.
-14 + 14 + 10u = 16 + 14

Combine like terms: -14 + 14 = 0
0 + 10u = 16 + 14
10u = 16 + 14

Combine like terms: 16 + 14 = 30
10u = 30

Divide each side by '10'.
u = 3

Simplifying
u = 3

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