3u-36=7(u-8)

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Solution for 3u-36=7(u-8) equation:


Simplifying
3u + -36 = 7(u + -8)

Reorder the terms:
-36 + 3u = 7(u + -8)

Reorder the terms:
-36 + 3u = 7(-8 + u)
-36 + 3u = (-8 * 7 + u * 7)
-36 + 3u = (-56 + 7u)

Solving
-36 + 3u = -56 + 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.
-36 + 3u + -7u = -56 + 7u + -7u

Combine like terms: 3u + -7u = -4u
-36 + -4u = -56 + 7u + -7u

Combine like terms: 7u + -7u = 0
-36 + -4u = -56 + 0
-36 + -4u = -56

Add '36' to each side of the equation.
-36 + 36 + -4u = -56 + 36

Combine like terms: -36 + 36 = 0
0 + -4u = -56 + 36
-4u = -56 + 36

Combine like terms: -56 + 36 = -20
-4u = -20

Divide each side by '-4'.
u = 5

Simplifying
u = 5

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