Step-by-step explanation:
7. x/4=-2.5
x = -2.5/4= 5/8
8. -22=n/2
n = -22×2 =-44
9. 1/3z = -5
z = -5×3 =-15
10. -1/4x=5/2
-2=5×4x
-2=20x
x=-20x/2=-10
Answer:
Step-by-step explanation:
8500- 3400=5100
(X-3)(X+1)=0
X-3=0
X=3
X+1=0
X=-1
Why did you delete my answer
All you do is divide by 10
there are 189 whole dimes
