-9-a=4

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Solution for -9-a=4 equation:


Simplifying
-9 + -1a = 4

Solving
-9 + -1a = 4

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + -1a = 4 + 9

Combine like terms: -9 + 9 = 0
0 + -1a = 4 + 9
-1a = 4 + 9

Combine like terms: 4 + 9 = 13
-1a = 13

Divide each side by '-1'.
a = -13

Simplifying
a = -13

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