30=2u-8

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Solution for 30=2u-8 equation:


Simplifying
30 = 2u + -8

Reorder the terms:
30 = -8 + 2u

Solving
30 = -8 + 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.
30 + -2u = -8 + 2u + -2u

Combine like terms: 2u + -2u = 0
30 + -2u = -8 + 0
30 + -2u = -8

Add '-30' to each side of the equation.
30 + -30 + -2u = -8 + -30

Combine like terms: 30 + -30 = 0
0 + -2u = -8 + -30
-2u = -8 + -30

Combine like terms: -8 + -30 = -38
-2u = -38

Divide each side by '-2'.
u = 19

Simplifying
u = 19

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