What is the first step in solving the system shown below using substitution?
2x-y=1
y=3x

A.substitute 3x into the first equation in place of

B.substitute y-1 into the second equation in place of

C.divide all terms in the first equation by

D.add to both sides of the first equation

Question

What is the first step in solving the system shown below using substitution?
2x-y=1
y=3x

A.substitute 3x into the first equation in place of 

B.substitute y-1 into the second equation in place of 

C.divide all terms in the first equation by 

D.add  to both sides of the first equation

shamil98 · Answer

2x - y = 1
y =3x
you plug in the value of y given (3x) into the other equation to solve for x .

anonymous · Answer

substitute 3x into the first equation in place of "Y"

anonymous · Answer

Oh ok I see now thanks :)