Determine whether each equation is always, sometimes, or never true. 2x + 7 - x = 3 + x + 4
Always
Sometimes
Never
Empty Set

I said never but I want see if thats right

40 minutes

step-by-step explanation:

add the time and multiply by 2

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

a)(x-2)^2+(y-1)^2=9

step-by-step explanation:

(picture explains)