-5u-20=5(u-8)

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Solution for -5u-20=5(u-8) equation:


Simplifying
-5u + -20 = 5(u + -8)

Reorder the terms:
-20 + -5u = 5(u + -8)

Reorder the terms:
-20 + -5u = 5(-8 + u)
-20 + -5u = (-8 * 5 + u * 5)
-20 + -5u = (-40 + 5u)

Solving
-20 + -5u = -40 + 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.
-20 + -5u + -5u = -40 + 5u + -5u

Combine like terms: -5u + -5u = -10u
-20 + -10u = -40 + 5u + -5u

Combine like terms: 5u + -5u = 0
-20 + -10u = -40 + 0
-20 + -10u = -40

Add '20' to each side of the equation.
-20 + 20 + -10u = -40 + 20

Combine like terms: -20 + 20 = 0
0 + -10u = -40 + 20
-10u = -40 + 20

Combine like terms: -40 + 20 = -20
-10u = -20

Divide each side by '-10'.
u = 2

Simplifying
u = 2

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