12A-7=-1

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Solution for 12A-7=-1 equation: 


Simplifying
12A + -7 = -1

Reorder the terms:
-7 + 12A = -1

Solving
-7 + 12A = -1

Solving for variable 'A'.

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

Add '7' to each side of the equation.
-7 + 7 + 12A = -1 + 7

Combine like terms: -7 + 7 = 0
0 + 12A = -1 + 7
12A = -1 + 7

Combine like terms: -1 + 7 = 6
12A = 6

Divide each side by '12'.
A = 0.5

Simplifying
A = 0.5

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