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If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation.

If You Were To Use The Substitution Method To Solve The Following System Choose The New Equation After The Expression Equivalent To Y From The First Equation Is class=

Sagot :

In this question, we want the equation after substituting the first (solved for y) into the second.

To do this, we need to solve for y in the first equation:

[tex]\begin{gathered} 6x-y=1 \\ 6x-y-1=0 \\ 6x-1=y \\ y=6x-1 \end{gathered}[/tex]

And now substitute it into the second equation, that is, we put 6x - 1 in place of every y.

[tex]\begin{gathered} 4x-3y=-11 \\ 4x-3(6x-1)=-11 \end{gathered}[/tex]

By comparison, we can see that this is equivalent to the third alternative.