2 times x minus 5 is 7. What is x?
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Each curve completes one loop over the interval 
. Find the intersections of the curves within this interval.
The region of interest has an area given by the double integral
equivalent to the single integral
which evaluates to
.
The region of interest has an area given by the double integral
equivalent to the single integral
which evaluates to
we are given
we can also write it as
now, we can use factor formula
we can use above formula
we get
now, we can simplify it
now, we can set it to 0
and then we can solve for x
now, we can use quadratic formula
now, we can plug values
and we get
So, we will get solution as
...............Answer