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Today at 12:40 AM
Mathematics

Answered

If 4m - 7n = 10 ans 2m + 2n = 4, then what is the value of 2m-9n

Answer :

mathmate mathmate

Today at 12:45 AM

Given:
4m - 7n = 10 .................(1)
2m + 2n = 4 ..................(2)

(1)-(2)
4m - 7n - (2m + 2n) = 10-4
=>
2m-9n = 6

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