-3u-6=-8(u+7)

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Solution for -3u-6=-8(u+7) equation:


Simplifying
-3u + -6 = -8(u + 7)

Reorder the terms:
-6 + -3u = -8(u + 7)

Reorder the terms:
-6 + -3u = -8(7 + u)
-6 + -3u = (7 * -8 + u * -8)
-6 + -3u = (-56 + -8u)

Solving
-6 + -3u = -56 + -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
-6 + -3u + 8u = -56 + -8u + 8u

Combine like terms: -3u + 8u = 5u
-6 + 5u = -56 + -8u + 8u

Combine like terms: -8u + 8u = 0
-6 + 5u = -56 + 0
-6 + 5u = -56

Add '6' to each side of the equation.
-6 + 6 + 5u = -56 + 6

Combine like terms: -6 + 6 = 0
0 + 5u = -56 + 6
5u = -56 + 6

Combine like terms: -56 + 6 = -50
5u = -50

Divide each side by '5'.
u = -10

Simplifying
u = -10

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