Answer:
d=-210
Step-by-step explanation:
multiply 15 to both sides
-14*15 =-210
the 15 on the side with d cancels
Now you have d=-210
Hope this helps!
B would be correct the -3 x and 3 x cancel out
Answer:
A= 153.86
A=49
Step-by-step explanation:
You again....
Answer:
a = 2
Step-by-step explanation:
14a - 21 - 5a = -3
9a - 21 = -3
9a = -3 + 21
9a = 18
a = 2
Answer:
21sq
Step-by-step explanation:
multiply the l times the w which would be 3x7 and get 21.