Question

-2X + y = 9
y = -3.

help PLEASE

Answer 1

To find the value of x, we can substitute the value of y in the equation:

-2X + (-3) = 9

We can then solve for X by isolating it on one side of the equation:

-2X = 12

X = -6

So, the value of X is -6.

Explanation: