2/3(5/4+2d) + 1/3=2/5
-23/40
To get answer
Subtract both sides by 1/3
Multiply both sides by 3/2
Subtract 5/4 from both sides
Divide by 2
D=- 23/40
To get answer
Subtract both sides by 1/3
Multiply both sides by 3/2
Subtract 5/4 from both sides
Divide by 2
D=- 23/40