Solve the equation. 5y-7+y = -(y+3y).
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10y-7=0

Step-by-step explanation:

5y-7+y= -(y+3y)

first you distribute the -1 into the parenthesis

5y-7+y = -y-3y

then you have to get y on a side by itself. start by adding +y to both sides. This cancels out the -y on the left side leaving you with:

6y-7+y=-3y

next you add +3y to both sides, canceling out the -3y on the left and leaving you with:

9y-7+y=0

combine the +y and 9y and your answer is:

10y-7=0

guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation:

i dont understand

step-by-step explanation: