24=-7u+3(u-4)

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Solution for 24=-7u+3(u-4) equation:


Simplifying
24 = -7u + 3(u + -4)

Reorder the terms:
24 = -7u + 3(-4 + u)
24 = -7u + (-4 * 3 + u * 3)
24 = -7u + (-12 + 3u)

Reorder the terms:
24 = -12 + -7u + 3u

Combine like terms: -7u + 3u = -4u
24 = -12 + -4u

Solving
24 = -12 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
24 + 4u = -12 + -4u + 4u

Combine like terms: -4u + 4u = 0
24 + 4u = -12 + 0
24 + 4u = -12

Add '-24' to each side of the equation.
24 + -24 + 4u = -12 + -24

Combine like terms: 24 + -24 = 0
0 + 4u = -12 + -24
4u = -12 + -24

Combine like terms: -12 + -24 = -36
4u = -36

Divide each side by '4'.
u = -9

Simplifying
u = -9

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