3(a-4)-(4a-1)=2(2a-4)+12

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Solution for 3(a-4)-(4a-1)=2(2a-4)+12 equation:


Simplifying
3(a + -4) + -1(4a + -1) = 2(2a + -4) + 12

Reorder the terms:
3(-4 + a) + -1(4a + -1) = 2(2a + -4) + 12
(-4 * 3 + a * 3) + -1(4a + -1) = 2(2a + -4) + 12
(-12 + 3a) + -1(4a + -1) = 2(2a + -4) + 12

Reorder the terms:
-12 + 3a + -1(-1 + 4a) = 2(2a + -4) + 12
-12 + 3a + (-1 * -1 + 4a * -1) = 2(2a + -4) + 12
-12 + 3a + (1 + -4a) = 2(2a + -4) + 12

Reorder the terms:
-12 + 1 + 3a + -4a = 2(2a + -4) + 12

Combine like terms: -12 + 1 = -11
-11 + 3a + -4a = 2(2a + -4) + 12

Combine like terms: 3a + -4a = -1a
-11 + -1a = 2(2a + -4) + 12

Reorder the terms:
-11 + -1a = 2(-4 + 2a) + 12
-11 + -1a = (-4 * 2 + 2a * 2) + 12
-11 + -1a = (-8 + 4a) + 12

Reorder the terms:
-11 + -1a = -8 + 12 + 4a

Combine like terms: -8 + 12 = 4
-11 + -1a = 4 + 4a

Solving
-11 + -1a = 4 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-11 + -1a + -4a = 4 + 4a + -4a

Combine like terms: -1a + -4a = -5a
-11 + -5a = 4 + 4a + -4a

Combine like terms: 4a + -4a = 0
-11 + -5a = 4 + 0
-11 + -5a = 4

Add '11' to each side of the equation.
-11 + 11 + -5a = 4 + 11

Combine like terms: -11 + 11 = 0
0 + -5a = 4 + 11
-5a = 4 + 11

Combine like terms: 4 + 11 = 15
-5a = 15

Divide each side by '-5'.
a = -3

Simplifying
a = -3

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