20u-30=9u+3

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Solution for 20u-30=9u+3 equation:


Simplifying
20u + -30 = 9u + 3

Reorder the terms:
-30 + 20u = 9u + 3

Reorder the terms:
-30 + 20u = 3 + 9u

Solving
-30 + 20u = 3 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-30 + 20u + -9u = 3 + 9u + -9u

Combine like terms: 20u + -9u = 11u
-30 + 11u = 3 + 9u + -9u

Combine like terms: 9u + -9u = 0
-30 + 11u = 3 + 0
-30 + 11u = 3

Add '30' to each side of the equation.
-30 + 30 + 11u = 3 + 30

Combine like terms: -30 + 30 = 0
0 + 11u = 3 + 30
11u = 3 + 30

Combine like terms: 3 + 30 = 33
11u = 33

Divide each side by '11'.
u = 3

Simplifying
u = 3

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