-20-20u=-13u+19+3

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Solution for -20-20u=-13u+19+3 equation:


Simplifying
-20 + -20u = -13u + 19 + 3

Reorder the terms:
-20 + -20u = 19 + 3 + -13u

Combine like terms: 19 + 3 = 22
-20 + -20u = 22 + -13u

Solving
-20 + -20u = 22 + -13u

Solving for variable 'u'.

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

Add '13u' to each side of the equation.
-20 + -20u + 13u = 22 + -13u + 13u

Combine like terms: -20u + 13u = -7u
-20 + -7u = 22 + -13u + 13u

Combine like terms: -13u + 13u = 0
-20 + -7u = 22 + 0
-20 + -7u = 22

Add '20' to each side of the equation.
-20 + 20 + -7u = 22 + 20

Combine like terms: -20 + 20 = 0
0 + -7u = 22 + 20
-7u = 22 + 20

Combine like terms: 22 + 20 = 42
-7u = 42

Divide each side by '-7'.
u = -6

Simplifying
u = -6

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