Solve for θ
\theta =21
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3\theta +21=2\theta +42
Use the distributive property to multiply 2 by \theta +21.
3\theta +21-2\theta =42
Subtract 2\theta from both sides.
\theta +21=42
Combine 3\theta and -2\theta to get \theta .
\theta =42-21
Subtract 21 from both sides.
\theta =21
Subtract 21 from 42 to get 21.
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