Question

Use the method of substitution to solve the system of linear equations
4x-y=2
9x-2y=7
I got x= 1/6 and Y=1/3 I am not sure if this is correct.

Answer 1

put the values back into equation and check the answer.

Answer 2

they are incorrect!

Answer 3

x=3,y=7

Answer 4

correction x=3, y=10

Answer 5

yes, u are right. x=3 and y=10.

Answer 6

if you want to double check, just sub back the values into the equation and if it makes sense that it is right, try it.

Answer 7

Thank you, it took me a couple of try's until I realized the mistake I kept making.

Answer 8

either one of them will do*

Answer 9

yep u have to be careful with the positive and negative signs

Answer 10

That gets me every time.