-25=2(1[u-8]1)+7u

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Solution for -25=2(1[u-8]1)+7u equation:


Simplifying
-25 = 2(1[u + -8] * 1) + 7u

Reorder the terms:
-25 = 2(1[-8 + u] * 1) + 7u

Reorder the terms for easier multiplication:
-25 = 2(1 * 1[-8 + u]) + 7u

Multiply 1 * 1
-25 = 2(1[-8 + u]) + 7u
-25 = 2([-8 * 1 + u * 1]) + 7u
-25 = 2([-8 + 1u]) + 7u
-25 = (-8 * 2 + 1u * 2) + 7u
-25 = (-16 + 2u) + 7u

Combine like terms: 2u + 7u = 9u
-25 = -16 + 9u

Solving
-25 = -16 + 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 + -9u = -16 + 9u + -9u

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

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

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

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

Divide each side by '-9'.
u = -1

Simplifying
u = -1

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