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EXAMPLE 30
Instructions
![](examples/equations/en/1-30_en.gif)
Solution
![](examples/equations/en/1-30s_en.gif)
Possible answers
Inserted possible answers are below. Red answer represents the right answer.
A)
![](examples/equations/en/1-30a_en.gif)
B)
![](examples/equations/en/1-30b_en.gif)
C)
![](examples/equations/en/1-30c_en.gif)
D)
![](examples/equations/en/1-30d_en.gif)
E)
![](examples/equations/en/1-30e_en.gif)
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