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

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


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

Reorder the terms:
-25 = 5u + 5(-3 + u)
-25 = 5u + (-3 * 5 + u * 5)
-25 = 5u + (-15 + 5u)

Reorder the terms:
-25 = -15 + 5u + 5u

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

Solving
-25 = -15 + 10u

Solving for variable 'u'.

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

Add '-10u' to each side of the equation.
-25 + -10u = -15 + 10u + -10u

Combine like terms: 10u + -10u = 0
-25 + -10u = -15 + 0
-25 + -10u = -15

Add '25' to each side of the equation.
-25 + 25 + -10u = -15 + 25

Combine like terms: -25 + 25 = 0
0 + -10u = -15 + 25
-10u = -15 + 25

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

Divide each side by '-10'.
u = -1

Simplifying
u = -1

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