7+18=6u-u

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Solution for 7+18=6u-u equation:


Simplifying
7 + 18 = 6u + -1u

Combine like terms: 7 + 18 = 25
25 = 6u + -1u

Combine like terms: 6u + -1u = 5u
25 = 5u

Solving
25 = 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.
25 + -5u = 5u + -5u

Combine like terms: 5u + -5u = 0
25 + -5u = 0

Add '-25' to each side of the equation.
25 + -25 + -5u = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -5u = 0 + -25
-5u = 0 + -25

Combine like terms: 0 + -25 = -25
-5u = -25

Divide each side by '-5'.
u = 5

Simplifying
u = 5

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