ANSWER
(1,-3)
EXPLANATION
The given equations are:
y = 5x - 8
y = 4x - 7
We equate the two equations to get:
5x - 8=4x - 7
Group similar terms:
5x - 4x=-7+8
Simplify bottom sides
x=1
Put x=-15 into the first equation:
y=5(1)-8
y=-3
(1,-3)
The solution is (1,-3)
