-4a+2(a+9)=

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


Simplifying
-4a + 2(a + 9) = 0

Reorder the terms:
-4a + 2(9 + a) = 0
-4a + (9 * 2 + a * 2) = 0
-4a + (18 + 2a) = 0

Reorder the terms:
18 + -4a + 2a = 0

Combine like terms: -4a + 2a = -2a
18 + -2a = 0

Solving
18 + -2a = 0

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 + -2a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -2a = 0 + -18
-2a = 0 + -18

Combine like terms: 0 + -18 = -18
-2a = -18

Divide each side by '-2'.
a = 9

Simplifying
a = 9

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