-9(3a-7b)=

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Solution for -9(3a-7b)= equation: 


Simplifying
-9(3a + -7b) = 0
(3a * -9 + -7b * -9) = 0
(-27a + 63b) = 0

Solving
-27a + 63b = 0

Solving for variable 'a'.

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

Add '-63b' to each side of the equation.
-27a + 63b + -63b = 0 + -63b

Combine like terms: 63b + -63b = 0
-27a + 0 = 0 + -63b
-27a = 0 + -63b
Remove the zero:
-27a = -63b

Divide each side by '-27'.
a = 2.333333333b

Simplifying
a = 2.333333333b

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