u+u+u+u+7=u+19

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Solution for u+u+u+u+7=u+19 equation:


Simplifying
u + u + u + u + 7 = u + 19

Reorder the terms:
7 + u + u + u + u = u + 19

Combine like terms: u + u = 2u
7 + 2u + u + u = u + 19

Combine like terms: 2u + u = 3u
7 + 3u + u = u + 19

Combine like terms: 3u + u = 4u
7 + 4u = u + 19

Reorder the terms:
7 + 4u = 19 + u

Solving
7 + 4u = 19 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
7 + 4u + -1u = 19 + u + -1u

Combine like terms: 4u + -1u = 3u
7 + 3u = 19 + u + -1u

Combine like terms: u + -1u = 0
7 + 3u = 19 + 0
7 + 3u = 19

Add '-7' to each side of the equation.
7 + -7 + 3u = 19 + -7

Combine like terms: 7 + -7 = 0
0 + 3u = 19 + -7
3u = 19 + -7

Combine like terms: 19 + -7 = 12
3u = 12

Divide each side by '3'.
u = 4

Simplifying
u = 4

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