Question

Solve the following system of equations by the substitution method.

8x = 2y + 5
3x = y + 7

What is the solution set?

{(-41/2, -9/2)}
{(-9/2, -41/2)}
Ø

Answer 1

any ideas?

Answer 2

yes first is correct

Answer 3

thanks

Answer 4

find 2y ie 2y = 8x - 5


6x = 2y + 14

6x = 8x - 5 + 14

-2x = 9

x = -9/2 and y = -41/2 is the answer...