Solve for θ
\theta =-40
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0.8\theta =-32
Combine 1.8\theta and -\theta to get 0.8\theta .
\theta =\frac{-32}{0.8}
Divide both sides by 0.8.
\theta =\frac{-320}{8}
Expand \frac{-32}{0.8} by multiplying both numerator and the denominator by 10.
\theta =-40
Divide -320 by 8 to get -40.
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