-2(4u-5)=34

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Solution for -2(4u-5)=34 equation: 


Simplifying
-2(4u + -5) = 34

Reorder the terms:
-2(-5 + 4u) = 34
(-5 * -2 + 4u * -2) = 34
(10 + -8u) = 34

Solving
10 + -8u = 34

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 + -8u = 34 + -10

Combine like terms: 10 + -10 = 0
0 + -8u = 34 + -10
-8u = 34 + -10

Combine like terms: 34 + -10 = 24
-8u = 24

Divide each side by '-8'.
u = -3

Simplifying
u = -3

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