I have to simplify:
A. —0.75 — 0.4
B. 7/8 — 2/3
C. 0.65 — 0.89
D. 11/12 + 4/9
E. 9/10 • 2 1/3
F. 12 divide 7/8
G. 1 2/3 + (— 2/5)
H. 4/7 — (— 3/8)
I. — 4.05 + 3.18
Examine this system of equations. what integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? 3/4x+1/7y=6 1/8x-3/5y=16