-9a+-13=11

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Solution for -9a+-13=11 equation: 


Simplifying
-9a + -13 = 11

Reorder the terms:
-13 + -9a = 11

Solving
-13 + -9a = 11

Solving for variable 'a'.

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

Add '13' to each side of the equation.
-13 + 13 + -9a = 11 + 13

Combine like terms: -13 + 13 = 0
0 + -9a = 11 + 13
-9a = 11 + 13

Combine like terms: 11 + 13 = 24
-9a = 24

Divide each side by '-9'.
a = -2.666666667

Simplifying
a = -2.666666667

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