Answer:
d/7 = c
Step-by-step explanation:
-5c+d=2c
Add 5c to each side
-5c+5c+d=2c+5c
d = 7c
Divide each side by 7
d/7 = 7c/7
d/7 = c
Answer:
15
Step-by-step explanation:
3375 is said to be a perfect cube because 15 x 15 x 15 is equal to 3375.
∛(15 x 15 x 15) = 15
Answer:
Step-by-step explanation:
817
x 45
_______
+ 4085
+ 32680
__________
36,765
Answer:
15.6
Step-by-step explanation:
15+32=47
47/3=15.6
since the - is there
it will be -15.6
Step-by-step explanation:
<u>Step 1: Substitute x from the second equation into the second one</u>







<u>Step 2: Substitute y into the second equation</u>




Answer: 