-9u-40=-2(u-8)

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Solution for -9u-40=-2(u-8) equation:


Simplifying
-9u + -40 = -2(u + -8)

Reorder the terms:
-40 + -9u = -2(u + -8)

Reorder the terms:
-40 + -9u = -2(-8 + u)
-40 + -9u = (-8 * -2 + u * -2)
-40 + -9u = (16 + -2u)

Solving
-40 + -9u = 16 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
-40 + -9u + 2u = 16 + -2u + 2u

Combine like terms: -9u + 2u = -7u
-40 + -7u = 16 + -2u + 2u

Combine like terms: -2u + 2u = 0
-40 + -7u = 16 + 0
-40 + -7u = 16

Add '40' to each side of the equation.
-40 + 40 + -7u = 16 + 40

Combine like terms: -40 + 40 = 0
0 + -7u = 16 + 40
-7u = 16 + 40

Combine like terms: 16 + 40 = 56
-7u = 56

Divide each side by '-7'.
u = -8

Simplifying
u = -8

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