-8u-42=-5(u+6)

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Solution for -8u-42=-5(u+6) equation:


Simplifying
-8u + -42 = -5(u + 6)

Reorder the terms:
-42 + -8u = -5(u + 6)

Reorder the terms:
-42 + -8u = -5(6 + u)
-42 + -8u = (6 * -5 + u * -5)
-42 + -8u = (-30 + -5u)

Solving
-42 + -8u = -30 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
-42 + -8u + 5u = -30 + -5u + 5u

Combine like terms: -8u + 5u = -3u
-42 + -3u = -30 + -5u + 5u

Combine like terms: -5u + 5u = 0
-42 + -3u = -30 + 0
-42 + -3u = -30

Add '42' to each side of the equation.
-42 + 42 + -3u = -30 + 42

Combine like terms: -42 + 42 = 0
0 + -3u = -30 + 42
-3u = -30 + 42

Combine like terms: -30 + 42 = 12
-3u = 12

Divide each side by '-3'.
u = -4

Simplifying
u = -4

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