7A-A=870

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Solution for 7A-A=870 equation: 


Simplifying
7A + -1A = 870

Combine like terms: 7A + -1A = 6A
6A = 870

Solving
6A = 870

Solving for variable 'A'.

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

Divide each side by '6'.
A = 145

Simplifying
A = 145

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