-64=-8(u+9)

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Solution for -64=-8(u+9) equation:


Simplifying
-64 = -8(u + 9)

Reorder the terms:
-64 = -8(9 + u)
-64 = (9 * -8 + u * -8)
-64 = (-72 + -8u)

Solving
-64 = -72 + -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
-64 + 8u = -72 + -8u + 8u

Combine like terms: -8u + 8u = 0
-64 + 8u = -72 + 0
-64 + 8u = -72

Add '64' to each side of the equation.
-64 + 64 + 8u = -72 + 64

Combine like terms: -64 + 64 = 0
0 + 8u = -72 + 64
8u = -72 + 64

Combine like terms: -72 + 64 = -8
8u = -8

Divide each side by '8'.
u = -1

Simplifying
u = -1

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