simplify 216 (1/4)

slove for the variable 8a-9=7a-6
find the slope of (0,2),(-2,-2)
find the slope of 2x+4y=8

216/4 = 54

1 a = -6+9 = 3

(-2-2)/(-2-0) = 2

put in form y = m x + b
4 y = -2 x + 8
y = (-2/4) x + 2
m = slope = -1/2