Question

would i add or subtract
4x+2y=45
-4x-8y=-57
which variable would be eliminated

Answer 1

Answer:

hey ..

just the equations .. and 4x will be eliminated..

hope it helps..

Answer 2

hey...

u should add

bcoz second linear equation contains opposite sign so u need to add to know x value...

the proceed further by using substitution method

as it is....x value will be eliminated....