-91=6u-15u-19

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


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

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

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

Solving
-91 = -19 + -9u

Solving for variable 'u'.

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

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

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

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

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

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

Divide each side by '9'.
u = 8

Simplifying
u = 8

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