3(u+2)=7u-18

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Solution for 3(u+2)=7u-18 equation:


Simplifying
3(u + 2) = 7u + -18

Reorder the terms:
3(2 + u) = 7u + -18
(2 * 3 + u * 3) = 7u + -18
(6 + 3u) = 7u + -18

Reorder the terms:
6 + 3u = -18 + 7u

Solving
6 + 3u = -18 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
6 + 3u + -7u = -18 + 7u + -7u

Combine like terms: 3u + -7u = -4u
6 + -4u = -18 + 7u + -7u

Combine like terms: 7u + -7u = 0
6 + -4u = -18 + 0
6 + -4u = -18

Add '-6' to each side of the equation.
6 + -6 + -4u = -18 + -6

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

Combine like terms: -18 + -6 = -24
-4u = -24

Divide each side by '-4'.
u = 6

Simplifying
u = 6

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