(-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.
Answer:
2
Step-by-step explanation:
Substitute all the variables in.

Use the order of operations to solve.
3-5+4
2
Answer:
intersection is (1,5)
Step-by-step explanation:
plug one equations into the other
y=2x+3
3x+y=8
3x+2x+3=8
simplify
5x+3=8
subtract 3
5x=5
x=1
plug x into one equation
y=2+3=5
intersection is (1,5)
X- 10=-2
X-4=4
Hop that helps
Answer:
1/3
Step-by-step explanation:
y2-y1/x2-x1
4-6/-1-5
-2/-6
1/3