Question

identify the solution to this system linear equation.

x-2y=8
4x+5y=-7

a: (2,-3)
b:(2,3)
c:(0,3)
d:(1,3)

Answer 1

solve for a variable in one of the eqautions first.

Answer 2

i dont know how to do that

Answer 3

hmmm how are you supposed to solve it anyway? substitution or elimination?

have you covered eitehr method yet?

Answer 4

i wrote everything that it said

Answer 5

ok... so
that puts us back to square one though

what part of the chapter is the exercise of? what part that was covered is the exercise based on?

Answer 6

if you haven't covered solving system of equations, and you have this exericse
then it seems the exercise doesn't apply to you

unless you've covered the section

Answer 7

i went over something like this a while ago but i forget

Answer 8

well.. you may want to brush up your chapter on "system of equations" first then

Answer 9

i know the linear part but o dont under stand the option part

Answer 10

What have you tried?