7b^2-21ab=

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Solution for 7b^2-21ab= equation:


Simplifying
7b2 + -21ab = 0

Reorder the terms:
-21ab + 7b2 = 0

Solving
-21ab + 7b2 = 0

Solving for variable 'a'.

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

Add '-7b2' to each side of the equation.
-21ab + 7b2 + -7b2 = 0 + -7b2

Combine like terms: 7b2 + -7b2 = 0
-21ab + 0 = 0 + -7b2
-21ab = 0 + -7b2
Remove the zero:
-21ab = -7b2

Divide each side by '-21b'.
a = 0.3333333333b

Simplifying
a = 0.3333333333b

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