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