Answer:
8x+1
Step-by-step explanation:
4(x-1) + (x+2) + 3(x+1)
4x-4 + x+2 + 3x+3
combine all x
4x+x+3x= 8x
combine all numbers without variables
(-4) + 2+3=1
8x+1
Step-by-step explanation:
I believe the answer is A and B
For the angle MPN we know that is oposite to the angle QPL so the will be equal so:

Now with the value of MPN we can made an equation for x so:

and we solve for x

and the angle LPM will be the complementari angle of 125 so: