Solve for S_1
S_{1}=-1706
Assign S_1
S_{1}≔-1706
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S_{1}=15-343\times 5-6
Calculate 7 to the power of 3 and get 343.
S_{1}=15-1715-6
Multiply 343 and 5 to get 1715.
S_{1}=-1700-6
Subtract 1715 from 15 to get -1700.
S_{1}=-1706
Subtract 6 from -1700 to get -1706.
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