Answer:

Step-by-step explanation:
<em>Look at the picture.</em>
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We have:

Therefore
<em>divide both sides by 2</em>

Answer:
-7-(-4)= -3
Step-by-step explanation:
Subtracting a negative number from a negative number – a minus sign followed by a negative sign, turns the two signs into a plus sign. So, instead of subtracting a negative, you are adding a positive.
7.772 million people live in Cairo.
658,893 people live in Washington DC.
So it's false.
Y=2/3x+2/3 bc slope is 2/3 and 4-2/4-1=2/3