-30x-21=n

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Solution for -30x-21=n equation: 


Simplifying
-30x + -21 = n

Reorder the terms:
-21 + -30x = n

Solving
-21 + -30x = n

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -30x = 21 + n

Combine like terms: -21 + 21 = 0
0 + -30x = 21 + n
-30x = 21 + n

Divide each side by '-30'.
x = -0.7 + -0.03333333333n

Simplifying
x = -0.7 + -0.03333333333n

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