Asked by Anonymous
solve for x using the substitution method -8x + y = 18, 9x + 13y = 8
Answers
Answered by
bobpursley
first equation:
y= 18+8x
put that into
9x+13(18+8x)=8
and solve for x.
y= 18+8x
put that into
9x+13(18+8x)=8
and solve for x.