2a+3[4-a]=-6

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Solution for 2a+3[4-a]=-6 equation:


Simplifying
2a + 3[4 + -1a] = -6
2a + [4 * 3 + -1a * 3] = -6
2a + [12 + -3a] = -6

Reorder the terms:
12 + 2a + -3a = -6

Combine like terms: 2a + -3a = -1a
12 + -1a = -6

Solving
12 + -1a = -6

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 = -6 + -12

Combine like terms: 12 + -12 = 0
0 + -1a = -6 + -12
-1a = -6 + -12

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

Divide each side by '-1'.
a = 18

Simplifying
a = 18

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