3u=(7u+8)-12

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Solution for 3u=(7u+8)-12 equation:


Simplifying
3u = (7u + 8) + -12

Reorder the terms:
3u = (8 + 7u) + -12

Remove parenthesis around (8 + 7u)
3u = 8 + 7u + -12

Reorder the terms:
3u = 8 + -12 + 7u

Combine like terms: 8 + -12 = -4
3u = -4 + 7u

Solving
3u = -4 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
3u + -7u = -4 + 7u + -7u

Combine like terms: 3u + -7u = -4u
-4u = -4 + 7u + -7u

Combine like terms: 7u + -7u = 0
-4u = -4 + 0
-4u = -4

Divide each side by '-4'.
u = 1

Simplifying
u = 1

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