First combine like terms:
14d+-2d=12d
Then do -84 divided by 12 = -7
D= -7
3.5:1 into 28:x
so "x" = 28/3.5
"x" = 8
Answer:
c
Step-by-step explanation:
-3 is smaller than 1
Answer:
B
Step-by-step explanation:
Only B (14,10,8) satisfies all three equations.
Yes, because adding 50 and subtracting 50 is equal to 140+50-50.
+50-50=0
Now, you have 140+0=140.
Hope this helped☺☺