-3(u+3)=6u+9

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Solution for -3(u+3)=6u+9 equation:


Simplifying
-3(u + 3) = 6u + 9

Reorder the terms:
-3(3 + u) = 6u + 9
(3 * -3 + u * -3) = 6u + 9
(-9 + -3u) = 6u + 9

Reorder the terms:
-9 + -3u = 9 + 6u

Solving
-9 + -3u = 9 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
-9 + -3u + -6u = 9 + 6u + -6u

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

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

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

Combine like terms: -9 + 9 = 0
0 + -9u = 9 + 9
-9u = 9 + 9

Combine like terms: 9 + 9 = 18
-9u = 18

Divide each side by '-9'.
u = -2

Simplifying
u = -2

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