
Solution:
Given expression is
.
To simplify the expression 
Let us first convert the mixed fraction into improper fraction.



Take LCM for the denominators (LCM of 4, 8 = 8) and make the same.



Now, divide 51 by 8 and again write it in the mixed fraction.


Hence, the simplified answer is
.
Answer:
9/2
Step-by-step explanation:
the number of the equation is 9/2 so the answer must be 9/2
Answer:
<h3>(3y2+5y-7)+2(y3-4y2+5)</h3>
3y2+5y-7+2y3-8y2+10
3y2-8y2+5y-7+10
-5y2+5y+17