The coordinates below represent two linear equations.

how many solutions does this system of equations have?

line 1
x y
–2 7
0 6
line 2
x y
3 0
0 –3

a.
0

b.
exactly 1

c.
exactly 2

d.
infinitely many

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30