42q-21=

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Solution for 42q-21= equation:


Simplifying
42q + -21 = 0

Reorder the terms:
-21 + 42q = 0

Solving
-21 + 42q = 0

Solving for variable 'q'.

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

Add '21' to each side of the equation.
-21 + 21 + 42q = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 42q = 0 + 21
42q = 0 + 21

Combine like terms: 0 + 21 = 21
42q = 21

Divide each side by '42'.
q = 0.5

Simplifying
q = 0.5

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