100-2A=23

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Solution for 100-2A=23 equation: 


Simplifying
100 + -2A = 23

Solving
100 + -2A = 23

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 + -2A = 23 + -100

Combine like terms: 100 + -100 = 0
0 + -2A = 23 + -100
-2A = 23 + -100

Combine like terms: 23 + -100 = -77
-2A = -77

Divide each side by '-2'.
A = 38.5

Simplifying
A = 38.5

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