-3ax-9cz=21

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Solution for -3ax-9cz=21 equation:


Simplifying
-3ax + -9cz = 21

Solving
-3ax + -9cz = 21

Solving for variable 'a'.

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

Add '9cz' to each side of the equation.
-3ax + -9cz + 9cz = 21 + 9cz

Combine like terms: -9cz + 9cz = 0
-3ax + 0 = 21 + 9cz
-3ax = 21 + 9cz

Divide each side by '-3x'.
a = -7x-1 + -3cx-1z

Simplifying
a = -7x-1 + -3cx-1z

Reorder the terms:
a = -3cx-1z + -7x-1

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