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(A)=-3+(3-1)(-2.2)
We move all terms to the left:
(A)-(-3+(3-1)(-2.2))=0
We add all the numbers together, and all the variables
A-(-3+2(-2.2))=0
We add all the numbers together, and all the variables
A+7.4=0
We move all terms containing A to the left, all other terms to the right
A=-7.4
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