4(-3)a+3=-9

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Solution for 4(-3)a+3=-9 equation: 


Simplifying
4(-3) * a + 3 = -9

Multiply 4 * -3
-12a + 3 = -9

Reorder the terms:
3 + -12a = -9

Solving
3 + -12a = -9

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + -12a = -9 + -3

Combine like terms: 3 + -3 = 0
0 + -12a = -9 + -3
-12a = -9 + -3

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

Divide each side by '-12'.
a = 1

Simplifying
a = 1

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