100-a=56

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Solution for 100-a=56 equation:


Simplifying
100 + -1a = 56

Solving
100 + -1a = 56

Solving for variable 'a'.

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

Add '-100' to each side of the equation.
100 + -100 + -1a = 56 + -100

Combine like terms: 100 + -100 = 0
0 + -1a = 56 + -100
-1a = 56 + -100

Combine like terms: 56 + -100 = -44
-1a = -44

Divide each side by '-1'.
a = 44

Simplifying
a = 44

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