-4u-30=0

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Solution for -4u-30=0 equation: 


Simplifying
-4u + -30 = 0

Reorder the terms:
-30 + -4u = 0

Solving
-30 + -4u = 0

Solving for variable 'u'.

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

Add '30' to each side of the equation.
-30 + 30 + -4u = 0 + 30

Combine like terms: -30 + 30 = 0
0 + -4u = 0 + 30
-4u = 0 + 30

Combine like terms: 0 + 30 = 30
-4u = 30

Divide each side by '-4'.
u = -7.5

Simplifying
u = -7.5

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