15+3(3u-1)=16-(3u-8)

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Solution for 15+3(3u-1)=16-(3u-8) equation:


Simplifying
15 + 3(3u + -1) = 16 + -1(3u + -8)

Reorder the terms:
15 + 3(-1 + 3u) = 16 + -1(3u + -8)
15 + (-1 * 3 + 3u * 3) = 16 + -1(3u + -8)
15 + (-3 + 9u) = 16 + -1(3u + -8)

Combine like terms: 15 + -3 = 12
12 + 9u = 16 + -1(3u + -8)

Reorder the terms:
12 + 9u = 16 + -1(-8 + 3u)
12 + 9u = 16 + (-8 * -1 + 3u * -1)
12 + 9u = 16 + (8 + -3u)

Combine like terms: 16 + 8 = 24
12 + 9u = 24 + -3u

Solving
12 + 9u = 24 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
12 + 9u + 3u = 24 + -3u + 3u

Combine like terms: 9u + 3u = 12u
12 + 12u = 24 + -3u + 3u

Combine like terms: -3u + 3u = 0
12 + 12u = 24 + 0
12 + 12u = 24

Add '-12' to each side of the equation.
12 + -12 + 12u = 24 + -12

Combine like terms: 12 + -12 = 0
0 + 12u = 24 + -12
12u = 24 + -12

Combine like terms: 24 + -12 = 12
12u = 12

Divide each side by '12'.
u = 1

Simplifying
u = 1

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