-1=8u+5(u-2)

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Solution for -1=8u+5(u-2) equation:


Simplifying
-1 = 8u + 5(u + -2)

Reorder the terms:
-1 = 8u + 5(-2 + u)
-1 = 8u + (-2 * 5 + u * 5)
-1 = 8u + (-10 + 5u)

Reorder the terms:
-1 = -10 + 8u + 5u

Combine like terms: 8u + 5u = 13u
-1 = -10 + 13u

Solving
-1 = -10 + 13u

Solving for variable 'u'.

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

Add '-13u' to each side of the equation.
-1 + -13u = -10 + 13u + -13u

Combine like terms: 13u + -13u = 0
-1 + -13u = -10 + 0
-1 + -13u = -10

Add '1' to each side of the equation.
-1 + 1 + -13u = -10 + 1

Combine like terms: -1 + 1 = 0
0 + -13u = -10 + 1
-13u = -10 + 1

Combine like terms: -10 + 1 = -9
-13u = -9

Divide each side by '-13'.
u = 0.6923076923

Simplifying
u = 0.6923076923

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