18-6a=4a-(a+3)

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Solution for 18-6a=4a-(a+3) equation:


Simplifying
18 + -6a = 4a + -1(a + 3)

Reorder the terms:
18 + -6a = 4a + -1(3 + a)
18 + -6a = 4a + (3 * -1 + a * -1)
18 + -6a = 4a + (-3 + -1a)

Reorder the terms:
18 + -6a = -3 + 4a + -1a

Combine like terms: 4a + -1a = 3a
18 + -6a = -3 + 3a

Solving
18 + -6a = -3 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
18 + -6a + -3a = -3 + 3a + -3a

Combine like terms: -6a + -3a = -9a
18 + -9a = -3 + 3a + -3a

Combine like terms: 3a + -3a = 0
18 + -9a = -3 + 0
18 + -9a = -3

Add '-18' to each side of the equation.
18 + -18 + -9a = -3 + -18

Combine like terms: 18 + -18 = 0
0 + -9a = -3 + -18
-9a = -3 + -18

Combine like terms: -3 + -18 = -21
-9a = -21

Divide each side by '-9'.
a = 2.333333333

Simplifying
a = 2.333333333

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