7q=10q-21

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Solution for 7q=10q-21 equation: 


Simplifying
7q = 10q + -21

Reorder the terms:
7q = -21 + 10q

Solving
7q = -21 + 10q

Solving for variable 'q'.

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

Add '-10q' to each side of the equation.
7q + -10q = -21 + 10q + -10q

Combine like terms: 7q + -10q = -3q
-3q = -21 + 10q + -10q

Combine like terms: 10q + -10q = 0
-3q = -21 + 0
-3q = -21

Divide each side by '-3'.
q = 7

Simplifying
q = 7

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