3(2a+7b)=

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Solution for 3(2a+7b)= equation: 


Simplifying
3(2a + 7b) = 0
(2a * 3 + 7b * 3) = 0
(6a + 21b) = 0

Solving
6a + 21b = 0

Solving for variable 'a'.

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

Add '-21b' to each side of the equation.
6a + 21b + -21b = 0 + -21b

Combine like terms: 21b + -21b = 0
6a + 0 = 0 + -21b
6a = 0 + -21b
Remove the zero:
6a = -21b

Divide each side by '6'.
a = -3.5b

Simplifying
a = -3.5b

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