Problema Solution
Five times the difference of twice a number and seven is negative fifteen. Find the number
Answer provided by our tutors
5(2X-11)=-15
10X-55=-15
10X=-15+55
10X=40
X=40/10
X=4 ANS.
PROOF:
5(2*4-11)=-15
5(8-11)=-15
5*-3=-15
-15=-15