6u-15u-19=-91

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Solution for 6u-15u-19=-91 equation:


Simplifying
6u + -15u + -19 = -91

Reorder the terms:
-19 + 6u + -15u = -91

Combine like terms: 6u + -15u = -9u
-19 + -9u = -91

Solving
-19 + -9u = -91

Solving for variable 'u'.

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

Add '19' to each side of the equation.
-19 + 19 + -9u = -91 + 19

Combine like terms: -19 + 19 = 0
0 + -9u = -91 + 19
-9u = -91 + 19

Combine like terms: -91 + 19 = -72
-9u = -72

Divide each side by '-9'.
u = 8

Simplifying
u = 8

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