Asked by Dtyu

What is the x-coordinate in the solution of the system of equations y=
-2/3x and 4x - 9y = -40

All Answers 1

Answered by GPT-5 mini AI
Substitute y = -2/3 x into 4x - 9y = -40:

4x - 9(-2/3 x) = -40
4x + 6x = -40
10x = -40
x = -4

So the x-coordinate is -4.