-9+4a+6=13

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Solution for -9+4a+6=13 equation: 


Simplifying
-9 + 4a + 6 = 13

Reorder the terms:
-9 + 6 + 4a = 13

Combine like terms: -9 + 6 = -3
-3 + 4a = 13

Solving
-3 + 4a = 13

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 4a = 13 + 3

Combine like terms: -3 + 3 = 0
0 + 4a = 13 + 3
4a = 13 + 3

Combine like terms: 13 + 3 = 16
4a = 16

Divide each side by '4'.
a = 4

Simplifying
a = 4

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