-2(a+8)=-22

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Solution for -2(a+8)=-22 equation: 


Simplifying
-2(a + 8) = -22

Reorder the terms:
-2(8 + a) = -22
(8 * -2 + a * -2) = -22
(-16 + -2a) = -22

Solving
-16 + -2a = -22

Solving for variable 'a'.

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

Add '16' to each side of the equation.
-16 + 16 + -2a = -22 + 16

Combine like terms: -16 + 16 = 0
0 + -2a = -22 + 16
-2a = -22 + 16

Combine like terms: -22 + 16 = -6
-2a = -6

Divide each side by '-2'.
a = 3

Simplifying
a = 3

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