(3a-8)-(a-4)=0

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Solution for (3a-8)-(a-4)=0 equation:


Simplifying
(3a + -8) + -1(a + -4) = 0

Reorder the terms:
(-8 + 3a) + -1(a + -4) = 0

Remove parenthesis around (-8 + 3a)
-8 + 3a + -1(a + -4) = 0

Reorder the terms:
-8 + 3a + -1(-4 + a) = 0
-8 + 3a + (-4 * -1 + a * -1) = 0
-8 + 3a + (4 + -1a) = 0

Reorder the terms:
-8 + 4 + 3a + -1a = 0

Combine like terms: -8 + 4 = -4
-4 + 3a + -1a = 0

Combine like terms: 3a + -1a = 2a
-4 + 2a = 0

Solving
-4 + 2a = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 2a = 0 + 4

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

Combine like terms: 0 + 4 = 4
2a = 4

Divide each side by '2'.
a = 2

Simplifying
a = 2

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