To solve for x in the first equation, we must isolate the variable x.
40x - 6 = 940x = 9 + 640x = 15x = 15/40x = 3/8
Now let's solve for x in the second equation:
x + 2 = 42x = 42 - 2x = 40
Finally, let's solve for x in the third equation:
23 - x = 3-x = 3 - 23-x = -20x = 20
So, the solutions for x are x = 3/8, x = 40, and x = 20.
To solve for x in the first equation, we must isolate the variable x.
40x - 6 = 9
40x = 9 + 6
40x = 15
x = 15/40
x = 3/8
Now let's solve for x in the second equation:
x + 2 = 42
x = 42 - 2
x = 40
Finally, let's solve for x in the third equation:
23 - x = 3
-x = 3 - 23
-x = -20
x = 20
So, the solutions for x are x = 3/8, x = 40, and x = 20.