-21q-1=-1

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Solution for -21q-1=-1 equation: 


Simplifying
-21q + -1 = -1

Reorder the terms:
-1 + -21q = -1

Add '1' to each side of the equation.
-1 + 1 + -21q = -1 + 1

Combine like terms: -1 + 1 = 0
0 + -21q = -1 + 1
-21q = -1 + 1

Combine like terms: -1 + 1 = 0
-21q = 0

Solving
-21q = 0

Solving for variable 'q'.

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

Divide each side by '-21'.
q = 0

Simplifying
q = 0

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