Question

If point A(3, -1) lies on the graph of equation 4m + 5n = 7 then what is m and n ? *

1 point

m = 3, n = -1.

m= -1, n=4.

m = 3, n = 0

m = 0, n = 1

​

Answer 1

Answer:

search-icon-header

Search for questions & chapters

search-icon-image

Question

Bookmark

If 4m+5n=7. Find m when n=−5

Medium

Solution

verified

Verified by Toppr

Correct option is A)

4m+5n=7

Put n=−5 in above equation

4m+5(−5)=7

4m−25=7

4m=7+25

4m=32

m=

4

32

m=8

.