4=-7u+4(u-2)

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Solution for 4=-7u+4(u-2) equation:


Simplifying
4 = -7u + 4(u + -2)

Reorder the terms:
4 = -7u + 4(-2 + u)
4 = -7u + (-2 * 4 + u * 4)
4 = -7u + (-8 + 4u)

Reorder the terms:
4 = -8 + -7u + 4u

Combine like terms: -7u + 4u = -3u
4 = -8 + -3u

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

Combine like terms: -3u + 3u = 0
4 + 3u = -8 + 0
4 + 3u = -8

Add '-4' to each side of the equation.
4 + -4 + 3u = -8 + -4

Combine like terms: 4 + -4 = 0
0 + 3u = -8 + -4
3u = -8 + -4

Combine like terms: -8 + -4 = -12
3u = -12

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

Simplifying
u = -4

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