3(u-1)=9u-39

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Solution for 3(u-1)=9u-39 equation:


Simplifying
3(u + -1) = 9u + -39

Reorder the terms:
3(-1 + u) = 9u + -39
(-1 * 3 + u * 3) = 9u + -39
(-3 + 3u) = 9u + -39

Reorder the terms:
-3 + 3u = -39 + 9u

Solving
-3 + 3u = -39 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-3 + 3u + -9u = -39 + 9u + -9u

Combine like terms: 3u + -9u = -6u
-3 + -6u = -39 + 9u + -9u

Combine like terms: 9u + -9u = 0
-3 + -6u = -39 + 0
-3 + -6u = -39

Add '3' to each side of the equation.
-3 + 3 + -6u = -39 + 3

Combine like terms: -3 + 3 = 0
0 + -6u = -39 + 3
-6u = -39 + 3

Combine like terms: -39 + 3 = -36
-6u = -36

Divide each side by '-6'.
u = 6

Simplifying
u = 6

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