8u=7u-7

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Solution for 8u=7u-7 equation: 


Simplifying
8u = 7u + -7

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

Solving
8u = -7 + 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.
8u + -7u = -7 + 7u + -7u

Combine like terms: 8u + -7u = 1u
1u = -7 + 7u + -7u

Combine like terms: 7u + -7u = 0
1u = -7 + 0
1u = -7

Divide each side by '1'.
u = -7

Simplifying
u = -7

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