Solve for a_1
a_{1}=-7
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37=a_{1}+44
Multiply 11 and 4 to get 44.
a_{1}+44=37
Swap sides so that all variable terms are on the left hand side.
a_{1}=37-44
Subtract 44 from both sides.
a_{1}=-7
Subtract 44 from 37 to get -7.
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