The number you need is 16 all you have to do is work out the problem and try to understand it they are trying to confuse you don't need an equation.
Hope this help!
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Answer:
x=-32/29

Step-by-step explanation:
3x+4y=36 Equation 1
-5x+3y=35 Equation 2
Multiplying equation 1 with 3 (value before y in equation 2) and equation 2 with 4 (value before y in equation 1) we obtain equations 3 and 4 as follows
9x+12=108 equation 3
-20x+12y=140 equation 4
Subtracting equation 3 from equation 4 we obtain
-29x=32
x=-32/29
To find the value of y, we substitute the value of x into equation 2 as initially given in the equation
-5(-32/29)=35-3y
-5(-32/29)-35=-3y

Answer:
y= 7x + 13
Step-by-step explanation:
first the outside number which is 7 and time it by x then that will give you 7x
next times 7 with 2 and that will give you 14
then subtract 14 from 1 then it will give you 13
therefore your answer is y=7x+13
Answer:
3
Step-by-step explanation:
24 employees ÷8 each group of employees
=3