-2(-4a+9)=12a-2

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Solution for -2(-4a+9)=12a-2 equation:


Simplifying
-2(-4a + 9) = 12a + -2

Reorder the terms:
-2(9 + -4a) = 12a + -2
(9 * -2 + -4a * -2) = 12a + -2
(-18 + 8a) = 12a + -2

Reorder the terms:
-18 + 8a = -2 + 12a

Solving
-18 + 8a = -2 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-18 + 8a + -12a = -2 + 12a + -12a

Combine like terms: 8a + -12a = -4a
-18 + -4a = -2 + 12a + -12a

Combine like terms: 12a + -12a = 0
-18 + -4a = -2 + 0
-18 + -4a = -2

Add '18' to each side of the equation.
-18 + 18 + -4a = -2 + 18

Combine like terms: -18 + 18 = 0
0 + -4a = -2 + 18
-4a = -2 + 18

Combine like terms: -2 + 18 = 16
-4a = 16

Divide each side by '-4'.
a = -4

Simplifying
a = -4

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