u+7=2u

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Solution for u+7=2u equation:


Simplifying
u + 7 = 2u

Reorder the terms:
7 + u = 2u

Solving
7 + u = 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.
7 + u + -2u = 2u + -2u

Combine like terms: u + -2u = -1u
7 + -1u = 2u + -2u

Combine like terms: 2u + -2u = 0
7 + -1u = 0

Add '-7' to each side of the equation.
7 + -7 + -1u = 0 + -7

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

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

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

Simplifying
u = 7

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