Question

On a piece of paper, graph the system of equations. Find the solution to the system y=2x-5 and y=x+4​

Answer 1

[9, 13]

Explanation:

{y = x + 4

{y = 2x - 5

Since we have two expressions set equal to y, use the Substitution Method:

`x + 4 = 2x - 5`

-2x -2x

___________________

-x + 4 = -5

- 4 - 4

__________

-x = -9

x = 9 [Plug this back into both equations to get the y-coordinate of 13]; 13 = y

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