Question

5k -3m= 80
7k-5m=80
solve for k and m​

Answer 1

Answer:

5k-3m=80

5k=80+3m

k=80+3m/5-----1

now,

7k-5m=80

7(80+3m/5)-5m=80

7(80+3m)-25m/5=80

560+21m-25m=400

-4m=400-560

-4m= -160

m= -160/-4

=40

Step-by-step explanation:

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