3a-6a+4(a-4)=-2(a+2)

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Solution for 3a-6a+4(a-4)=-2(a+2) equation:


Simplifying
3a + -6a + 4(a + -4) = -2(a + 2)

Reorder the terms:
3a + -6a + 4(-4 + a) = -2(a + 2)
3a + -6a + (-4 * 4 + a * 4) = -2(a + 2)
3a + -6a + (-16 + 4a) = -2(a + 2)

Reorder the terms:
-16 + 3a + -6a + 4a = -2(a + 2)

Combine like terms: 3a + -6a = -3a
-16 + -3a + 4a = -2(a + 2)

Combine like terms: -3a + 4a = 1a
-16 + 1a = -2(a + 2)

Reorder the terms:
-16 + 1a = -2(2 + a)
-16 + 1a = (2 * -2 + a * -2)
-16 + 1a = (-4 + -2a)

Solving
-16 + 1a = -4 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-16 + 1a + 2a = -4 + -2a + 2a

Combine like terms: 1a + 2a = 3a
-16 + 3a = -4 + -2a + 2a

Combine like terms: -2a + 2a = 0
-16 + 3a = -4 + 0
-16 + 3a = -4

Add '16' to each side of the equation.
-16 + 16 + 3a = -4 + 16

Combine like terms: -16 + 16 = 0
0 + 3a = -4 + 16
3a = -4 + 16

Combine like terms: -4 + 16 = 12
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

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