Answer:
x=m+12g
Step-by-step explanation:
m=-12g+x
making x subject of formula, we have,
x=m+12g
Answer:
I am confused on what you are asking but I think the answer is y=12345x
Step-by-step explanation:
its correct
Answer:
a=-5
Step-by-step explanation:
subtract 3 from both sides
15=-3a
divide by -3
a=-5
Answer:
14 students
Step-by-step explanation:
Given
Let:
read a book
watched TV
So, we have:
-- total



Required
Students that did both (x)
This is calculated using:

So, we have:

This gives:

Open brackets


Collect like terms


<em>Hence, 14 students did both</em>