Question

Identify Variables
X: is 12
Y: is 4
Equations
x + y = 12
x + y = 4
x-y = 12
x- y =4

Answer 1

Step-by-step explanation:

Substitute x = 12 and y = 4 into the equations:

1.

$12 + 4 = 12$

Incorrect.

2.

$12 + 4 = 4$

Incorrect.

3.

$12 - 4 = 12$

Incorrect.

4.

$12 - 4 = 4$

Incorrect.

All equations are incorrect when x and y are substituted.