x/4-3/5/4/3-7x=-3/20

Asked by Antara | 28th Jul, 2019, 11:48: AM

Expert Answer:

begin mathsize 16px style x over 4 space minus space open parentheses 3 over 5 divided by 4 over 3 close parentheses minus 7 straight x space equals space fraction numerator negative 3 over denominator 20 end fraction
rightwards double arrow straight x over 4 space minus space open parentheses 3 over 5 cross times 3 over 4 close parentheses minus 7 straight x space equals space fraction numerator negative 3 over denominator 20 end fraction
rightwards double arrow straight x over 4 space minus space 9 over 20 minus 7 straight x space equals space fraction numerator negative 3 over denominator 20 end fraction
rightwards double arrow fraction numerator straight x space minus space 28 straight x over denominator 4 end fraction equals space fraction numerator negative 3 plus 9 over denominator 20 end fraction
rightwards double arrow fraction numerator negative 27 straight x over denominator 4 end fraction equals space 6 over 20
rightwards double arrow straight x space equals space fraction numerator 6 cross times 4 over denominator 20 cross times 27 end fraction
rightwards double arrow straight x space equals space 2 over 45 end style

Answered by Yasmeen Khan | 28th Jul, 2019, 08:31: PM