-1-4a-6=9

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Solution for -1-4a-6=9 equation: 


Simplifying
-1 + -4a + -6 = 9

Reorder the terms:
-1 + -6 + -4a = 9

Combine like terms: -1 + -6 = -7
-7 + -4a = 9

Solving
-7 + -4a = 9

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + -4a = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -4a = 9 + 7
-4a = 9 + 7

Combine like terms: 9 + 7 = 16
-4a = 16

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

Simplifying
a = -4

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