Which one do you need help on
Set up an equation:
51=3x
17=x
x=17
300% of 17 is 51
Answer:

Step-by-step explanation:
Factor out 7 from top and bottom :

Divide top and bottom by 7 :

Simplify :
Simplify :
Collect everything together :

Hope this helped and have a good day
Y = 2x + 1
y = 2(-1) + 1
y= -2 + 1
y= -1
Hope this helps!! If u want me to answer any more questions just ask! Have a nice day!