Solve for c_2
c_{2}=0
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1-c_{2}+2c_{2}=1
Multiply both sides of the equation by 2.
1+c_{2}=1
Combine -c_{2} and 2c_{2} to get c_{2}.
c_{2}=1-1
Subtract 1 from both sides.
c_{2}=0
Subtract 1 from 1 to get 0.
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