-2(a+6)=7

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Solution for -2(a+6)=7 equation: 


Simplifying
-2(a + 6) = 7

Reorder the terms:
-2(6 + a) = 7
(6 * -2 + a * -2) = 7
(-12 + -2a) = 7

Solving
-12 + -2a = 7

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + -2a = 7 + 12

Combine like terms: -12 + 12 = 0
0 + -2a = 7 + 12
-2a = 7 + 12

Combine like terms: 7 + 12 = 19
-2a = 19

Divide each side by '-2'.
a = -9.5

Simplifying
a = -9.5

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