-8u+20=-19-9+4u

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Solution for -8u+20=-19-9+4u equation:


Simplifying
-8u + 20 = -19 + -9 + 4u

Reorder the terms:
20 + -8u = -19 + -9 + 4u

Combine like terms: -19 + -9 = -28
20 + -8u = -28 + 4u

Solving
20 + -8u = -28 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
20 + -8u + -4u = -28 + 4u + -4u

Combine like terms: -8u + -4u = -12u
20 + -12u = -28 + 4u + -4u

Combine like terms: 4u + -4u = 0
20 + -12u = -28 + 0
20 + -12u = -28

Add '-20' to each side of the equation.
20 + -20 + -12u = -28 + -20

Combine like terms: 20 + -20 = 0
0 + -12u = -28 + -20
-12u = -28 + -20

Combine like terms: -28 + -20 = -48
-12u = -48

Divide each side by '-12'.
u = 4

Simplifying
u = 4

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