Question

найти A (x,y) - ?
y=6-9x и y=5x-8

Answer 1

y=6-9x и y=5x-8

6-9x=5x-8

-9x-5x=-8-6

-14x=-14  /:(-14)

x=1

y=5x-8 =5·1-8=5-8=-3

A(1;-3)