10-4u=42

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Solution for 10-4u=42 equation: 


Simplifying
10 + -4u = 42

Solving
10 + -4u = 42

Solving for variable 'u'.

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

Add '-10' to each side of the equation.
10 + -10 + -4u = 42 + -10

Combine like terms: 10 + -10 = 0
0 + -4u = 42 + -10
-4u = 42 + -10

Combine like terms: 42 + -10 = 32
-4u = 32

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

Simplifying
u = -8

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