3u+6=7(u+2)

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Solution for 3u+6=7(u+2) equation:


Simplifying
3u + 6 = 7(u + 2)

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

Reorder the terms:
6 + 3u = 7(2 + u)
6 + 3u = (2 * 7 + u * 7)
6 + 3u = (14 + 7u)

Solving
6 + 3u = 14 + 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 = 14 + 7u + -7u

Combine like terms: 3u + -7u = -4u
6 + -4u = 14 + 7u + -7u

Combine like terms: 7u + -7u = 0
6 + -4u = 14 + 0
6 + -4u = 14

Add '-6' to each side of the equation.
6 + -6 + -4u = 14 + -6

Combine like terms: 6 + -6 = 0
0 + -4u = 14 + -6
-4u = 14 + -6

Combine like terms: 14 + -6 = 8
-4u = 8

Divide each side by '-4'.
u = -2

Simplifying
u = -2

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