3[u-3]-4u=11

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Solution for 3[u-3]-4u=11 equation:


Simplifying
3[u + -3] + -4u = 11

Reorder the terms:
3[-3 + u] + -4u = 11
[-3 * 3 + u * 3] + -4u = 11
[-9 + 3u] + -4u = 11

Combine like terms: 3u + -4u = -1u
-9 + -1u = 11

Solving
-9 + -1u = 11

Solving for variable 'u'.

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

Add '9' to each side of the equation.
-9 + 9 + -1u = 11 + 9

Combine like terms: -9 + 9 = 0
0 + -1u = 11 + 9
-1u = 11 + 9

Combine like terms: 11 + 9 = 20
-1u = 20

Divide each side by '-1'.
u = -20

Simplifying
u = -20

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