If 3m+5n=9 and 5m+3n=7 then find the value of 8m+8n. Please solve and write steps. Don't just give answer
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it is so easy you can easily solve
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let 3m+5n=9 s equation 1 and 5m+3n=7 be equation 2 add 1 and 2 equation the 8m+8n=16
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