3u=7u-56-12

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Solution for 3u=7u-56-12 equation:


Simplifying
3u = 7u + -56 + -12

Reorder the terms:
3u = -56 + -12 + 7u

Combine like terms: -56 + -12 = -68
3u = -68 + 7u

Solving
3u = -68 + 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 = -68 + 7u + -7u

Combine like terms: 3u + -7u = -4u
-4u = -68 + 7u + -7u

Combine like terms: 7u + -7u = 0
-4u = -68 + 0
-4u = -68

Divide each side by '-4'.
u = 17

Simplifying
u = 17

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