25=-7u+4(u+4)

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Solution for 25=-7u+4(u+4) equation:


Simplifying
25 = -7u + 4(u + 4)

Reorder the terms:
25 = -7u + 4(4 + u)
25 = -7u + (4 * 4 + u * 4)
25 = -7u + (16 + 4u)

Reorder the terms:
25 = 16 + -7u + 4u

Combine like terms: -7u + 4u = -3u
25 = 16 + -3u

Solving
25 = 16 + -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.
25 + 3u = 16 + -3u + 3u

Combine like terms: -3u + 3u = 0
25 + 3u = 16 + 0
25 + 3u = 16

Add '-25' to each side of the equation.
25 + -25 + 3u = 16 + -25

Combine like terms: 25 + -25 = 0
0 + 3u = 16 + -25
3u = 16 + -25

Combine like terms: 16 + -25 = -9
3u = -9

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

Simplifying
u = -3

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