8(2)^2 + 8(2) + 9 = 57
your answer is 57
have a nice semester :)
Answer:
57
Step-by-step explanation:
8(2)^2 + 8(2) + 9
8×4+16+9
32+16+9=57
x = (22/17), y= (79/17)
Just substitute x = 2y - 8 into y = 9x - 7 and solve.