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Mathematics 21 Online
OpenStudy (anonymous):

6w+4/7 + w+6/8 = 15

jhonyy9 (jhonyy9):

please us parantheses

jhonyy9 (jhonyy9):

6w+4 is numerator ?

jhonyy9 (jhonyy9):

so than 8(6w+4)+7(w+6)=15*56 because 56 is denominator common 48w+32+7w+42=15*56 55w+74=840 55w=766 w=766/55

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