3u+3(u-7)=27

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Solution for 3u+3(u-7)=27 equation:


Simplifying
3u + 3(u + -7) = 27

Reorder the terms:
3u + 3(-7 + u) = 27
3u + (-7 * 3 + u * 3) = 27
3u + (-21 + 3u) = 27

Reorder the terms:
-21 + 3u + 3u = 27

Combine like terms: 3u + 3u = 6u
-21 + 6u = 27

Solving
-21 + 6u = 27

Solving for variable 'u'.

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

Add '21' to each side of the equation.
-21 + 21 + 6u = 27 + 21

Combine like terms: -21 + 21 = 0
0 + 6u = 27 + 21
6u = 27 + 21

Combine like terms: 27 + 21 = 48
6u = 48

Divide each side by '6'.
u = 8

Simplifying
u = 8

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