15-19=6u-8u

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Solution for 15-19=6u-8u equation:


Simplifying
15 + -19 = 6u + -8u

Combine like terms: 15 + -19 = -4
-4 = 6u + -8u

Combine like terms: 6u + -8u = -2u
-4 = -2u

Solving
-4 = -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.
-4 + 2u = -2u + 2u

Combine like terms: -2u + 2u = 0
-4 + 2u = 0

Add '4' to each side of the equation.
-4 + 4 + 2u = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 2u = 0 + 4
2u = 0 + 4

Combine like terms: 0 + 4 = 4
2u = 4

Divide each side by '2'.
u = 2

Simplifying
u = 2

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