Asked by Laura

solve the system by substitution..
-3x-5y=-17
4x=y-8

Answers

Answered by Dr. Jane
-3x - 5y = -17

4x+8 = y I solve this for y

Now rewrite the first equation and put in 4x + 8 for y.

-3x -5(4x+8) = -17

solve for x. Be sure to multiply both 4x and 8 by negative 5.

Once you have x, you can find y in the original equation.

Also, always check your x and y in both equations to be sure you have not made a mistake.
Answered by Laura
Thank you so much
Answered by Dr. Jane
You are welcome
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