I have been really struggling here.
equations are: 8X-9y=24.5
7y -2x=-8.5 first change this to the other order -2x+7y=-8.5
then eliminate a variable?
deltadawn wrote:equations are: 8X-9y=24.5 and 7y -2x=-8.5
first change this to the other order -2x+7y=-8.5
then eliminate a variable?