if m=4 then the value of n is the equation 5
2mn = 18+mn is _____
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Given m=4
putting the value of m as 4 in the equation.
2×4×n = 18+4×n
8n = 18+4n
Transposing 4n to left side, sign change
8n-4n=18
4n=18
n=18/4
n=9/2
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