49-a=36

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Solution for 49-a=36 equation: 


Simplifying
49 + -1a = 36

Solving
49 + -1a = 36

Solving for variable 'a'.

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

Add '-49' to each side of the equation.
49 + -49 + -1a = 36 + -49

Combine like terms: 49 + -49 = 0
0 + -1a = 36 + -49
-1a = 36 + -49

Combine like terms: 36 + -49 = -13
-1a = -13

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

Simplifying
a = 13

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