40=4u+8

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Solution for 40=4u+8 equation: 


Simplifying
40 = 4u + 8

Reorder the terms:
40 = 8 + 4u

Solving
40 = 8 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
40 + -4u = 8 + 4u + -4u

Combine like terms: 4u + -4u = 0
40 + -4u = 8 + 0
40 + -4u = 8

Add '-40' to each side of the equation.
40 + -40 + -4u = 8 + -40

Combine like terms: 40 + -40 = 0
0 + -4u = 8 + -40
-4u = 8 + -40

Combine like terms: 8 + -40 = -32
-4u = -32

Divide each side by '-4'.
u = 8

Simplifying
u = 8

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