-3u-4=8(u+5)

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Solution for -3u-4=8(u+5) equation:


Simplifying
-3u + -4 = 8(u + 5)

Reorder the terms:
-4 + -3u = 8(u + 5)

Reorder the terms:
-4 + -3u = 8(5 + u)
-4 + -3u = (5 * 8 + u * 8)
-4 + -3u = (40 + 8u)

Solving
-4 + -3u = 40 + 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.
-4 + -3u + -8u = 40 + 8u + -8u

Combine like terms: -3u + -8u = -11u
-4 + -11u = 40 + 8u + -8u

Combine like terms: 8u + -8u = 0
-4 + -11u = 40 + 0
-4 + -11u = 40

Add '4' to each side of the equation.
-4 + 4 + -11u = 40 + 4

Combine like terms: -4 + 4 = 0
0 + -11u = 40 + 4
-11u = 40 + 4

Combine like terms: 40 + 4 = 44
-11u = 44

Divide each side by '-11'.
u = -4

Simplifying
u = -4

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