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What is the value of m if 4m-2n = 120If n=20+m ? |
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Answer» 26. 66........................ 4m-2n=120 ..........(1)n=20+m........(2)Put it in equation(1)4m-2[20+m] =1204m - 40+ 2m=1206m-40=1206m=120+406m=160m=160/6m=26.66.............. |
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