Answer:
Step-by-step explanation: not 100% sure about 5 but i think 5) 3p-2
6) a.2a+2a-2
Answer:
The value of x is reciprocal of the difference of a and b.
Step-by-step explanation:
We are given the equation, 
On simplifying, we get,

i.e. 
i.e. 
i.e. 
So, we get,
The value of x is
.
That is, the value of x is reciprocal of the difference of a and b.
Answer:
Hi there!
Your answer is;
the equation
(w+6)+(w+6)+(w)+(w) = 52
The width of this rectangle is 10. The length of this rectangle is 16.
Step-by-step explanation:
Rectangular perimeter:
l+l+w+w
l= w+6
w= w
(w+6)+(w+6)+(w)+(w)
4w+12= 52
4w = 40
/4
w= 10
Hope this helps!