3a-4=2(4-a)

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


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

Reorder the terms:
-4 + 3a = 2(4 + -1a)
-4 + 3a = (4 * 2 + -1a * 2)
-4 + 3a = (8 + -2a)

Solving
-4 + 3a = 8 + -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.
-4 + 3a + 2a = 8 + -2a + 2a

Combine like terms: 3a + 2a = 5a
-4 + 5a = 8 + -2a + 2a

Combine like terms: -2a + 2a = 0
-4 + 5a = 8 + 0
-4 + 5a = 8

Add '4' to each side of the equation.
-4 + 4 + 5a = 8 + 4

Combine like terms: -4 + 4 = 0
0 + 5a = 8 + 4
5a = 8 + 4

Combine like terms: 8 + 4 = 12
5a = 12

Divide each side by '5'.
a = 2.4

Simplifying
a = 2.4

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