18-6a=4(a+3)

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


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

Reorder the terms:
18 + -6a = 4(3 + a)
18 + -6a = (3 * 4 + a * 4)
18 + -6a = (12 + 4a)

Solving
18 + -6a = 12 + 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.
18 + -6a + -4a = 12 + 4a + -4a

Combine like terms: -6a + -4a = -10a
18 + -10a = 12 + 4a + -4a

Combine like terms: 4a + -4a = 0
18 + -10a = 12 + 0
18 + -10a = 12

Add '-18' to each side of the equation.
18 + -18 + -10a = 12 + -18

Combine like terms: 18 + -18 = 0
0 + -10a = 12 + -18
-10a = 12 + -18

Combine like terms: 12 + -18 = -6
-10a = -6

Divide each side by '-10'.
a = 0.6

Simplifying
a = 0.6

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