Solve for A
A=-45
Assign A
A≔-45
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A=21-\left(45-5+26\right)
Add -5 and 26 to get 21.
A=21-\left(40+26\right)
Subtract 5 from 45 to get 40.
A=21-66
Add 40 and 26 to get 66.
A=-45
Subtract 66 from 21 to get -45.
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