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### Assignment 7

Solve the following equations with the sum-product method

### Solution

Just take a look at the rules of the sum-product method and then we can easily find the solutions:

, dus of

For the next assignment we first divide left- and right-hand side by 3. Then we factorize the left-hand side:

, dus of

We can solve the last assignment by factorizing the left-hand side:

, en dus of

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