Answer:
A) SUBTRACT 3x by both sides of the bottom equation.
Answer:
this is unclear
Step-by-step explanation:
yoy miss typed
Answer:
1. 100 which Is the easier one
2. 5
Answer:
c) -1
Step-by-step explanation:
-2-3-(-4)
=-5+4
=-1
Estimation:
23 --> rounded to 20
71 --> rounded to 70
70 + 20 = 90. I rounded both numbers down so the exact sum must be only a little greater than my estimate.