2(a-4)=2(9-2a)

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Solution for 2(a-4)=2(9-2a) equation:


Simplifying
2(a + -4) = 2(9 + -2a)

Reorder the terms:
2(-4 + a) = 2(9 + -2a)
(-4 * 2 + a * 2) = 2(9 + -2a)
(-8 + 2a) = 2(9 + -2a)
-8 + 2a = (9 * 2 + -2a * 2)
-8 + 2a = (18 + -4a)

Solving
-8 + 2a = 18 + -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.
-8 + 2a + 4a = 18 + -4a + 4a

Combine like terms: 2a + 4a = 6a
-8 + 6a = 18 + -4a + 4a

Combine like terms: -4a + 4a = 0
-8 + 6a = 18 + 0
-8 + 6a = 18

Add '8' to each side of the equation.
-8 + 8 + 6a = 18 + 8

Combine like terms: -8 + 8 = 0
0 + 6a = 18 + 8
6a = 18 + 8

Combine like terms: 18 + 8 = 26
6a = 26

Divide each side by '6'.
a = 4.333333333

Simplifying
a = 4.333333333

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