Question

X-3y=1
4x+5y=4

Solve the system of equations.

Answer 1

multiply the first by 4
4x-12y = 4
4x + 5y = 4
subtract them:
-17u = 0
y = 0
back into the first:
x - 0 = 1
x = 1

Answer 2

x = (3 y + 1)

4(3y+1) + 5 y = 4

12 y + 4 + 5 y = 4

17 y = 0

y = 0

x = 3*0 + 1 = 1

(1,0)