-3(4+2a)=18

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Solution for -3(4+2a)=18 equation: 


Simplifying
-3(4 + 2a) = 18
(4 * -3 + 2a * -3) = 18
(-12 + -6a) = 18

Solving
-12 + -6a = 18

Solving for variable 'a'.

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

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

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

Combine like terms: 18 + 12 = 30
-6a = 30

Divide each side by '-6'.
a = -5

Simplifying
a = -5

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