-7u-25=9(u-1)

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Solution for -7u-25=9(u-1) equation:


Simplifying
-7u + -25 = 9(u + -1)

Reorder the terms:
-25 + -7u = 9(u + -1)

Reorder the terms:
-25 + -7u = 9(-1 + u)
-25 + -7u = (-1 * 9 + u * 9)
-25 + -7u = (-9 + 9u)

Solving
-25 + -7u = -9 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-25 + -7u + -9u = -9 + 9u + -9u

Combine like terms: -7u + -9u = -16u
-25 + -16u = -9 + 9u + -9u

Combine like terms: 9u + -9u = 0
-25 + -16u = -9 + 0
-25 + -16u = -9

Add '25' to each side of the equation.
-25 + 25 + -16u = -9 + 25

Combine like terms: -25 + 25 = 0
0 + -16u = -9 + 25
-16u = -9 + 25

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

Divide each side by '-16'.
u = -1

Simplifying
u = -1

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