Substitute the given value into the equation
-20 + 11*11
Using BODMAS, you do 11*11 first, which is 121
-20+121
Which is 101
Therefore, d is equal lot 101
So (19-h)/-21 = -20
multiply both sides by 21
19-h = -420
regroup
h - 19 = -420
add 19 to both sides
h = -401
Hope this helps :)
Answer:
figuring medicine doses, patient vitals, etc.
Step-by-step explanation: