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

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


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

Reorder the terms:
2 = -7u + 4(-7 + u)
2 = -7u + (-7 * 4 + u * 4)
2 = -7u + (-28 + 4u)

Reorder the terms:
2 = -28 + -7u + 4u

Combine like terms: -7u + 4u = -3u
2 = -28 + -3u

Solving
2 = -28 + -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.
2 + 3u = -28 + -3u + 3u

Combine like terms: -3u + 3u = 0
2 + 3u = -28 + 0
2 + 3u = -28

Add '-2' to each side of the equation.
2 + -2 + 3u = -28 + -2

Combine like terms: 2 + -2 = 0
0 + 3u = -28 + -2
3u = -28 + -2

Combine like terms: -28 + -2 = -30
3u = -30

Divide each side by '3'.
u = -10

Simplifying
u = -10

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