Question

solve x+y=5 and 2x-3y=4 and hence find the value of m for which y=mx+3​

Answer 1

x=5-y

2x=4+3y

x=4+3y/2

5-y=4+3y/2

10-2y=4+3y

10-4=3y+2y

6=5y

y=6/5

x=5-y

x=5-6/5

x=19/5

6/5=19m/5 +3

6/5-3=19m/5

-9/5=19m/5

m=-9/19

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