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Find the number of ordered pairs (m,n )which satisfy the system

 

4(m-n)=7(1-n),

(3/2)n=4-2m

 Oct 6, 2021
 #1
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First clean up your equations by expanding and simplifying

4m-4n=7-7n

4m +3n = 7  

 

 

3/2 n = 4 - 2m

4m + 3n = 8

 

 

Both the same equation but they equal different constants.... there is NO SOLUTION....prallel lines do not cross/intersect.

 Oct 6, 2021

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