8(99)=8(100)-8(u)

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Solution for 8(99)=8(100)-8(u) equation: 


Simplifying
8(99) = 8(100) + -8(u)

Multiply 8 * 99
792 = 8(100) + -8(u)

Multiply 8 * 100
792 = 800 + -8(u)

Solving
792 = 800 + -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.
792 + 8u = 800 + -8u + 8u

Combine like terms: -8u + 8u = 0
792 + 8u = 800 + 0
792 + 8u = 800

Add '-792' to each side of the equation.
792 + -792 + 8u = 800 + -792

Combine like terms: 792 + -792 = 0
0 + 8u = 800 + -792
8u = 800 + -792

Combine like terms: 800 + -792 = 8
8u = 8

Divide each side by '8'.
u = 1

Simplifying
u = 1

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