-2(u-6)=5u-9

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Solution for -2(u-6)=5u-9 equation:


Simplifying
-2(u + -6) = 5u + -9

Reorder the terms:
-2(-6 + u) = 5u + -9
(-6 * -2 + u * -2) = 5u + -9
(12 + -2u) = 5u + -9

Reorder the terms:
12 + -2u = -9 + 5u

Solving
12 + -2u = -9 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
12 + -2u + -5u = -9 + 5u + -5u

Combine like terms: -2u + -5u = -7u
12 + -7u = -9 + 5u + -5u

Combine like terms: 5u + -5u = 0
12 + -7u = -9 + 0
12 + -7u = -9

Add '-12' to each side of the equation.
12 + -12 + -7u = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -7u = -9 + -12
-7u = -9 + -12

Combine like terms: -9 + -12 = -21
-7u = -21

Divide each side by '-7'.
u = 3

Simplifying
u = 3

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