7u=2u+20

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Solution for 7u=2u+20 equation: 


Simplifying
7u = 2u + 20

Reorder the terms:
7u = 20 + 2u

Solving
7u = 20 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
7u + -2u = 20 + 2u + -2u

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

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

Divide each side by '5'.
u = 4

Simplifying
u = 4

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