9+4a=2(3-a)

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Solution for 9+4a=2(3-a) equation:


Simplifying
9 + 4a = 2(3 + -1a)
9 + 4a = (3 * 2 + -1a * 2)
9 + 4a = (6 + -2a)

Solving
9 + 4a = 6 + -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.
9 + 4a + 2a = 6 + -2a + 2a

Combine like terms: 4a + 2a = 6a
9 + 6a = 6 + -2a + 2a

Combine like terms: -2a + 2a = 0
9 + 6a = 6 + 0
9 + 6a = 6

Add '-9' to each side of the equation.
9 + -9 + 6a = 6 + -9

Combine like terms: 9 + -9 = 0
0 + 6a = 6 + -9
6a = 6 + -9

Combine like terms: 6 + -9 = -3
6a = -3

Divide each side by '6'.
a = -0.5

Simplifying
a = -0.5

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