Answer:
-4
Step-by-step explanation:
If a = -4 then you can eliminate hte -4x and 4x by adding them, you get 0x, so you eliminate the x variable
The answer is b because an intersection looks like this:
Hope this helps! <3
blah blah blah blah, the answer is 436
Answer:
Step-by-step explanation:
500-250= 250
there for its half off 50% because its split down the middle, so thats an easy one