25=-3u+5(u+7)

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Solution for 25=-3u+5(u+7) equation:


Simplifying
25 = -3u + 5(u + 7)

Reorder the terms:
25 = -3u + 5(7 + u)
25 = -3u + (7 * 5 + u * 5)
25 = -3u + (35 + 5u)

Reorder the terms:
25 = 35 + -3u + 5u

Combine like terms: -3u + 5u = 2u
25 = 35 + 2u

Solving
25 = 35 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
25 + -2u = 35 + 2u + -2u

Combine like terms: 2u + -2u = 0
25 + -2u = 35 + 0
25 + -2u = 35

Add '-25' to each side of the equation.
25 + -25 + -2u = 35 + -25

Combine like terms: 25 + -25 = 0
0 + -2u = 35 + -25
-2u = 35 + -25

Combine like terms: 35 + -25 = 10
-2u = 10

Divide each side by '-2'.
u = -5

Simplifying
u = -5

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