Answer:
9 1/3
Step-by-step explanation:
That is wrong i tried to answer it but messed up so don't use it
71+50+6x-1=180
121+6x-1=180
121-1+6x=180
120+6x=180
6x=180-120
6x=60
x=60/6
x=10
so the value of x is 10
