Answer:
The value of y is 6.
Step-by-step explanation:
The given equation is

It can be rewritten as


Multiply both sides by (y+4)(y-4).







Divide both sides by -2.

Therefore, the value of y is 6.
Answer:
2x + 4 = 7
Step-by-step explanation:
If X is the unknown number, then twice that would be 2x, and you add 4, wich would be equal to 7: 2x + 4 = 7
Answer: B)34
Step-by-step explanation:
180-112=68
since this is an isosceles triangles, both acute angles are equal
68/2=34