Răspuns :
f(x)=-9x-6=y
x+(-9x-6)=-11
x-9x-6=-11
-8x=-11+6
x=-5/-8
x=5/8
y=-9x-6=-9*5/8 - 6=-45/8-6=(-45-48)/8=-93/8
x+(-9x-6)=-11
x-9x-6=-11
-8x=-11+6
x=-5/-8
x=5/8
y=-9x-6=-9*5/8 - 6=-45/8-6=(-45-48)/8=-93/8