-1=-3u+8(u-2)

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Solution for -1=-3u+8(u-2) equation:


Simplifying
-1 = -3u + 8(u + -2)

Reorder the terms:
-1 = -3u + 8(-2 + u)
-1 = -3u + (-2 * 8 + u * 8)
-1 = -3u + (-16 + 8u)

Reorder the terms:
-1 = -16 + -3u + 8u

Combine like terms: -3u + 8u = 5u
-1 = -16 + 5u

Solving
-1 = -16 + 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.
-1 + -5u = -16 + 5u + -5u

Combine like terms: 5u + -5u = 0
-1 + -5u = -16 + 0
-1 + -5u = -16

Add '1' to each side of the equation.
-1 + 1 + -5u = -16 + 1

Combine like terms: -1 + 1 = 0
0 + -5u = -16 + 1
-5u = -16 + 1

Combine like terms: -16 + 1 = -15
-5u = -15

Divide each side by '-5'.
u = 3

Simplifying
u = 3

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