2u+18=-4u

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Solution for 2u+18=-4u equation:


Simplifying
2u + 18 = -4u

Reorder the terms:
18 + 2u = -4u

Solving
18 + 2u = -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.
18 + 2u + 4u = -4u + 4u

Combine like terms: 2u + 4u = 6u
18 + 6u = -4u + 4u

Combine like terms: -4u + 4u = 0
18 + 6u = 0

Add '-18' to each side of the equation.
18 + -18 + 6u = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 6u = 0 + -18
6u = 0 + -18

Combine like terms: 0 + -18 = -18
6u = -18

Divide each side by '6'.
u = -3

Simplifying
u = -3

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