Determine the answer to (−3) + 7. explain in complete sentences how you would use a number line to model your work and answer.

(-3) + 7 = 4

You can use a number line by simply starting at 7 then moving back 3 spaces because it's negative. Then you will get positive 4.

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

umm im not really sure because i never had to do this

step-by-step explanation: