14=3u+4(u-7)

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Solution for 14=3u+4(u-7) equation:


Simplifying
14 = 3u + 4(u + -7)

Reorder the terms:
14 = 3u + 4(-7 + u)
14 = 3u + (-7 * 4 + u * 4)
14 = 3u + (-28 + 4u)

Reorder the terms:
14 = -28 + 3u + 4u

Combine like terms: 3u + 4u = 7u
14 = -28 + 7u

Solving
14 = -28 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
14 + -7u = -28 + 7u + -7u

Combine like terms: 7u + -7u = 0
14 + -7u = -28 + 0
14 + -7u = -28

Add '-14' to each side of the equation.
14 + -14 + -7u = -28 + -14

Combine like terms: 14 + -14 = 0
0 + -7u = -28 + -14
-7u = -28 + -14

Combine like terms: -28 + -14 = -42
-7u = -42

Divide each side by '-7'.
u = 6

Simplifying
u = 6

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