7(3u-2)=28

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Solution for 7(3u-2)=28 equation: 


Simplifying
7(3u + -2) = 28

Reorder the terms:
7(-2 + 3u) = 28
(-2 * 7 + 3u * 7) = 28
(-14 + 21u) = 28

Solving
-14 + 21u = 28

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 + 21u = 28 + 14

Combine like terms: -14 + 14 = 0
0 + 21u = 28 + 14
21u = 28 + 14

Combine like terms: 28 + 14 = 42
21u = 42

Divide each side by '21'.
u = 2

Simplifying
u = 2

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