6-a=10-9

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Solution for 6-a=10-9 equation: 


Simplifying
6 + -1a = 10 + -9

Combine like terms: 10 + -9 = 1
6 + -1a = 1

Solving
6 + -1a = 1

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + -1a = 1 + -6

Combine like terms: 6 + -6 = 0
0 + -1a = 1 + -6
-1a = 1 + -6

Combine like terms: 1 + -6 = -5
-1a = -5

Divide each side by '-1'.
a = 5

Simplifying
a = 5

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