## Tell which equation you use to solve for one of the variables when solving the system by substitution: 2x + 3y = 5 or 4x – y =3 // plzzzzz h

Question

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## Answers ( No )

You can using any equation you want to solve for one of the variables. For instance, if you want to solve for x you turn one of the equations so y is by its self

2x + 3y = 5

4x – y =3

I am going to use 4x – y =3

-y = -4x + 3

y = 4x -3

Now you can substitute 4x – 3 for y in 2x + 3y = 5 and solve for x

2x + 3y = 5

2x + 3(4x – 3) = 5