Answer:
X=295.6
Step-by-step explanation:
I took the test
9x+7y+13
5x+4x=9x
3y+3y+y=7y
5+8=13
Subtract 1 from both sides
3 - 1 = -2x
Simplify 3 -1 to 2
2 = -2x
Divide both sides by -2
-1 = x
Switch sides
<u>x = -1</u>
Where are the sets? I don't see any...