2(u+3)-8u=18

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Solution for 2(u+3)-8u=18 equation:


Simplifying
2(u + 3) + -8u = 18

Reorder the terms:
2(3 + u) + -8u = 18
(3 * 2 + u * 2) + -8u = 18
(6 + 2u) + -8u = 18

Combine like terms: 2u + -8u = -6u
6 + -6u = 18

Solving
6 + -6u = 18

Solving for variable 'u'.

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

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

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

Combine like terms: 18 + -6 = 12
-6u = 12

Divide each side by '-6'.
u = -2

Simplifying
u = -2

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