7u=5u-20

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Solution for 7u=5u-20 equation: 


Simplifying
7u = 5u + -20

Reorder the terms:
7u = -20 + 5u

Solving
7u = -20 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
7u + -5u = -20 + 5u + -5u

Combine like terms: 7u + -5u = 2u
2u = -20 + 5u + -5u

Combine like terms: 5u + -5u = 0
2u = -20 + 0
2u = -20

Divide each side by '2'.
u = -10

Simplifying
u = -10

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