8A-1=19

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Solution for 8A-1=19 equation: 


Simplifying
8A + -1 = 19

Reorder the terms:
-1 + 8A = 19

Solving
-1 + 8A = 19

Solving for variable 'A'.

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

Add '1' to each side of the equation.
-1 + 1 + 8A = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 8A = 19 + 1
8A = 19 + 1

Combine like terms: 19 + 1 = 20
8A = 20

Divide each side by '8'.
A = 2.5

Simplifying
A = 2.5

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