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# Finding values in equation - ISI BStat 2018 Subjective Problem

The solution will be posted in a sequential hint based format. You have to verify the steps of hints.

### Sequential Hints:

Step 1:

Solution set of sin($\frac{x+y}{2}$) = 0 is {${x + y = 2n\pi : n \in \mathbb{N}}$}

- A set of parallel straight lines.

Step 2:

Solution set of |x| + |y| = 1 has the picture of a diamond as follows:

Step 3:

Step 4:

Find out the intersection line. Find out the solution now. Go to the next problem.