-4a-2(a+9)=6

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Solution for -4a-2(a+9)=6 equation:


Simplifying
-4a + -2(a + 9) = 6

Reorder the terms:
-4a + -2(9 + a) = 6
-4a + (9 * -2 + a * -2) = 6
-4a + (-18 + -2a) = 6

Reorder the terms:
-18 + -4a + -2a = 6

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

Solving
-18 + -6a = 6

Solving for variable 'a'.

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

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

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

Combine like terms: 6 + 18 = 24
-6a = 24

Divide each side by '-6'.
a = -4

Simplifying
a = -4

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