3a-2(2a-6)=18

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Solution for 3a-2(2a-6)=18 equation:


Simplifying
3a + -2(2a + -6) = 18

Reorder the terms:
3a + -2(-6 + 2a) = 18
3a + (-6 * -2 + 2a * -2) = 18
3a + (12 + -4a) = 18

Reorder the terms:
12 + 3a + -4a = 18

Combine like terms: 3a + -4a = -1a
12 + -1a = 18

Solving
12 + -1a = 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 + -1a = 18 + -12

Combine like terms: 12 + -12 = 0
0 + -1a = 18 + -12
-1a = 18 + -12

Combine like terms: 18 + -12 = 6
-1a = 6

Divide each side by '-1'.
a = -6

Simplifying
a = -6

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