3u-15=11u-8

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Solution for 3u-15=11u-8 equation:


Simplifying
3u + -15 = 11u + -8

Reorder the terms:
-15 + 3u = 11u + -8

Reorder the terms:
-15 + 3u = -8 + 11u

Solving
-15 + 3u = -8 + 11u

Solving for variable 'u'.

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

Add '-11u' to each side of the equation.
-15 + 3u + -11u = -8 + 11u + -11u

Combine like terms: 3u + -11u = -8u
-15 + -8u = -8 + 11u + -11u

Combine like terms: 11u + -11u = 0
-15 + -8u = -8 + 0
-15 + -8u = -8

Add '15' to each side of the equation.
-15 + 15 + -8u = -8 + 15

Combine like terms: -15 + 15 = 0
0 + -8u = -8 + 15
-8u = -8 + 15

Combine like terms: -8 + 15 = 7
-8u = 7

Divide each side by '-8'.
u = -0.875

Simplifying
u = -0.875

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