mojshendud mojshendud

31-10-2016
Mathematics

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-21+70n=77
please help me Idk the answer

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matthewmarino matthewmarino

31-10-2016

Add 21 to both sides: 70n=98
Divide each side by 70: n=98/70
Reduce the fraction: n=7/5

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31-10-2016

you would add 21 to 77 which equals 98. 70n=98 then put the 70 under the 98 and divide which = 1.4

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