-1-2u-9-(5u)=

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Solution for -1-2u-9-(5u)= equation:


Simplifying
-1 + -2u + -9 + -1(5u) = 0

Remove parenthesis around (5u)
-1 + -2u + -9 + -1 * 5u = 0

Multiply -1 * 5
-1 + -2u + -9 + -5u = 0

Reorder the terms:
-1 + -9 + -2u + -5u = 0

Combine like terms: -1 + -9 = -10
-10 + -2u + -5u = 0

Combine like terms: -2u + -5u = -7u
-10 + -7u = 0

Solving
-10 + -7u = 0

Solving for variable 'u'.

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

Add '10' to each side of the equation.
-10 + 10 + -7u = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -7u = 0 + 10
-7u = 0 + 10

Combine like terms: 0 + 10 = 10
-7u = 10

Divide each side by '-7'.
u = -1.428571429

Simplifying
u = -1.428571429

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