3a+2[2+3(a-1)]=2(3a+4)

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Solution for 3a+2[2+3(a-1)]=2(3a+4) equation:


Simplifying
3a + 2[2 + 3(a + -1)] = 2(3a + 4)

Reorder the terms:
3a + 2[2 + 3(-1 + a)] = 2(3a + 4)
3a + 2[2 + (-1 * 3 + a * 3)] = 2(3a + 4)
3a + 2[2 + (-3 + 3a)] = 2(3a + 4)

Combine like terms: 2 + -3 = -1
3a + 2[-1 + 3a] = 2(3a + 4)
3a + [-1 * 2 + 3a * 2] = 2(3a + 4)
3a + [-2 + 6a] = 2(3a + 4)

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

Combine like terms: 3a + 6a = 9a
-2 + 9a = 2(3a + 4)

Reorder the terms:
-2 + 9a = 2(4 + 3a)
-2 + 9a = (4 * 2 + 3a * 2)
-2 + 9a = (8 + 6a)

Solving
-2 + 9a = 8 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-2 + 9a + -6a = 8 + 6a + -6a

Combine like terms: 9a + -6a = 3a
-2 + 3a = 8 + 6a + -6a

Combine like terms: 6a + -6a = 0
-2 + 3a = 8 + 0
-2 + 3a = 8

Add '2' to each side of the equation.
-2 + 2 + 3a = 8 + 2

Combine like terms: -2 + 2 = 0
0 + 3a = 8 + 2
3a = 8 + 2

Combine like terms: 8 + 2 = 10
3a = 10

Divide each side by '3'.
a = 3.333333333

Simplifying
a = 3.333333333

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