8(u-4)=40

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Solution for 8(u-4)=40 equation: 


Simplifying
8(u + -4) = 40

Reorder the terms:
8(-4 + u) = 40
(-4 * 8 + u * 8) = 40
(-32 + 8u) = 40

Solving
-32 + 8u = 40

Solving for variable 'u'.

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

Add '32' to each side of the equation.
-32 + 32 + 8u = 40 + 32

Combine like terms: -32 + 32 = 0
0 + 8u = 40 + 32
8u = 40 + 32

Combine like terms: 40 + 32 = 72
8u = 72

Divide each side by '8'.
u = 9

Simplifying
u = 9

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