what is the solution of the system 9x+8y=21 x=13-6y
(1) 9x + 8y = 21
(2) x + 6y = 13
Multiply both sides of Eq. (2) by 9:
(3) 9x + 54 y = 117
Subtract Eq. (1) from Eq. (3)
46 y = 96
Solve for y and take it from there. It looks like the solutions are not integers. Check my work.