Question

Please tell me how to find x!?

I know how to find `angleQPR` .....
WHEN I know what `x` is. Please tell me how to find `x`. I don't need `angleQPR`; I just need `x`.

Answer 1

I think there is a problem in what was asked; I do not think that you are intended to be able to determine `x`.

Explanation:

Here is what I think the question was intended to be:
QUESTION:
Given
`color(white)("XXX")m/_RPS=8x+7`
and
`color(white)("XXX")m/_QPR=9x+16`
Find `/_QPcolor(red)S`
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SOLUTION:
`/_QPS`
`color(white)("XXX")=color(white)("xxxx")8x+color(white)("x")7`
`color(white)("XXxxxX")ul(+color(white)("x")color(white)("x")9x+16)`
`color(white)("XXX")=color(white)("xxx")17x+23`

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There is no way with the given information for you to find the value of `x`, so you can not improve upon what you are directly given for `m/_QPR` (namely `=9x+16`)