1.

Find the sum of following expression.m“ – 7m°,5m* ----m+21m,-m' +4m² +39​

Answer»

-step explanation:5M -3n = 19 ---1equationm-6n =-7 ----2equation_______________[ 5m -3n = 19 ] ×1[ m -6n = -7 ] × 5____________, __,5m -3n = 195m -30n = -35- + +___________27n = 54n = 54/27n = 2Putting the value of n in 1equation.5m -3(n) = 195m -(3×2) = 195m -6=195m = 19+65m = 25m = 25/5m = 5___________n =2m =5I hope this will help you



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