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

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


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

Reorder the terms:
-3(-9 + u) = -9u + 39
(-9 * -3 + u * -3) = -9u + 39
(27 + -3u) = -9u + 39

Reorder the terms:
27 + -3u = 39 + -9u

Solving
27 + -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.
27 + -3u + 9u = 39 + -9u + 9u

Combine like terms: -3u + 9u = 6u
27 + 6u = 39 + -9u + 9u

Combine like terms: -9u + 9u = 0
27 + 6u = 39 + 0
27 + 6u = 39

Add '-27' to each side of the equation.
27 + -27 + 6u = 39 + -27

Combine like terms: 27 + -27 = 0
0 + 6u = 39 + -27
6u = 39 + -27

Combine like terms: 39 + -27 = 12
6u = 12

Divide each side by '6'.
u = 2

Simplifying
u = 2

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