3u-25=-2(u+5)

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Solution for 3u-25=-2(u+5) equation:


Simplifying
3u + -25 = -2(u + 5)

Reorder the terms:
-25 + 3u = -2(u + 5)

Reorder the terms:
-25 + 3u = -2(5 + u)
-25 + 3u = (5 * -2 + u * -2)
-25 + 3u = (-10 + -2u)

Solving
-25 + 3u = -10 + -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 + 3u + 2u = -10 + -2u + 2u

Combine like terms: 3u + 2u = 5u
-25 + 5u = -10 + -2u + 2u

Combine like terms: -2u + 2u = 0
-25 + 5u = -10 + 0
-25 + 5u = -10

Add '25' to each side of the equation.
-25 + 25 + 5u = -10 + 25

Combine like terms: -25 + 25 = 0
0 + 5u = -10 + 25
5u = -10 + 25

Combine like terms: -10 + 25 = 15
5u = 15

Divide each side by '5'.
u = 3

Simplifying
u = 3

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