(8u-9u)+(-2u+2u-2)=

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Solution for (8u-9u)+(-2u+2u-2)= equation:


Simplifying
(8u + -9u) + (-2u + 2u + -2) = 0

Combine like terms: 8u + -9u = -1u
(-1u) + (-2u + 2u + -2) = 0
(-1u) + (-2u + 2u + -2) = 0

Reorder the terms:
(-1u) + (-2 + -2u + 2u) = 0

Combine like terms: -2u + 2u = 0
(-1u) + (-2 + 0) = 0
(-1u) + (-2) = 0
(-1u) + -2 = 0

Reorder the terms:
-2 + (-1u) = 0

Solving
-2 + (-1u) = 0

Solving for variable 'u'.

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

Add '2' to each side of the equation.
-2 + 2 + (-1u) = 0 + 2

Combine like terms: -2 + 2 = 0
0 + (-1u) = 0 + 2
(-1u) = 0 + 2

Combine like terms: 0 + 2 = 2
(-1u) = 2

Divide each side by '-1'.
u = -2

Simplifying
u = -2

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