Solve the proportion and check StartFraction a Over 7 EndFra

Solve the proportion and check. StartFraction a Over 7 EndFraction equals StartFraction a minus 2 Over 5 EndFractiona7=a25. the solution set is?

Solution

a Over 7 : a/7

a minus 2 over 5 : (a-2)/5

So, a/7 = (a-2)/5

Solve : multiply both sides by 7*5=35

a*5 = (a-2)*7

5a = 7a -14

-2a = -14

a = 7 (Solution)