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

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

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User Trickydisco
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1 Answer

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

(1)-(2)
4m - 7n - (2m + 2n) = 10-4
=>
2m-9n = 6
answered
User Xtremist
by
8.1k points
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If 4m-7n=10 and 2m+2n=4, what is the value of 2m-9n?
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