Check the picture below. You can pretty much just count the units off the grid.
To insert fraction values;
1) Click on "math" found under the alpha option
2) Use right arrow key to move to the tab "FRAC"
3) Select 1st option for fraction
4) Write out Fraction
Hope I helped :)
(-1,8) is the correct answer I’m pretty sure
Add 13 to both sides
13 = 2x + 15x
Simplify right side
13 = 17x
Divide through by 17
13/17 = x
