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If the graph of the equations x + y = 0 and 5y + 7x =24 intersect at (m, n), then the value of m + n is :
5Q:
If the graph of the equations x + y = 0 and 5y + 7x =24 intersect at (m, n), then the value of m + n is :
- 12false
- 21false
- 30true
- 4– 1false
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