-9a+6=3a-18

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Solution for -9a+6=3a-18 equation:


Simplifying
-9a + 6 = 3a + -18

Reorder the terms:
6 + -9a = 3a + -18

Reorder the terms:
6 + -9a = -18 + 3a

Solving
6 + -9a = -18 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
6 + -9a + -3a = -18 + 3a + -3a

Combine like terms: -9a + -3a = -12a
6 + -12a = -18 + 3a + -3a

Combine like terms: 3a + -3a = 0
6 + -12a = -18 + 0
6 + -12a = -18

Add '-6' to each side of the equation.
6 + -6 + -12a = -18 + -6

Combine like terms: 6 + -6 = 0
0 + -12a = -18 + -6
-12a = -18 + -6

Combine like terms: -18 + -6 = -24
-12a = -24

Divide each side by '-12'.
a = 2

Simplifying
a = 2

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