Answer:
X=13
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
2, 5, 6
from top to bottom, it's the second, fifth, and sixth
Function
Since there is once variable of y for ever6y value of x in (-1,2), (-2,1), (-3,0), (-4,-1), this relation is a function.
