Question Description
solve the systems of equation
7x+2y=18
-4x-3y=-1

Final Answer

7x+2y=18 times 3/2 is (21/2)x+3y=27
thus (21/2)x-4x+3y-3y=27-1
(13/2)x=26
x=26*2/13=4
thus x=4, y=10/7

solve the systems of equation
7x+2y=18
-4x-3y=-1
7x+2y=18 times 3/2 is (21/2)x+3y=27
thus (21/2)x-4x+3y-3y=27-1
(13/2)x=26
x=26*2/13=4
thus x=4, y=10/7