PLS HELP ASAP!!!!!!Screen Shot 2018-10-15 at 9.47.37 AM

Answer:
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The answer they want: If you subtract the -2 x from the y side, then you get 4 y= 2 x + 8. Then you divide the entire equation by 4 getting y= 1/2 x + 8. Next, you can either put it in the calculator or you can put the numbers in the equation and solve it.