2(3a-4)=13

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Solution for 2(3a-4)=13 equation: 


Simplifying
2(3a + -4) = 13

Reorder the terms:
2(-4 + 3a) = 13
(-4 * 2 + 3a * 2) = 13
(-8 + 6a) = 13

Solving
-8 + 6a = 13

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 6a = 13 + 8

Combine like terms: -8 + 8 = 0
0 + 6a = 13 + 8
6a = 13 + 8

Combine like terms: 13 + 8 = 21
6a = 21

Divide each side by '6'.
a = 3.5

Simplifying
a = 3.5

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