-7a-6a=-13

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Solution for -7a-6a=-13 equation: 


Simplifying
-7a + -6a = -13

Combine like terms: -7a + -6a = -13a
-13a = -13

Solving
-13a = -13

Solving for variable 'a'.

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

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

Simplifying
a = 1

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