Answer:
Hi!
Since we don't know the total number of pages, we'll call that x.
So your equation is
x = 210 - 55
Hope this helps!
~courtney
Answer: 30
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
10 x 1 = 10. 10 x 2 = 20.
C because median is all about the middle
Answer: x=−5
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
−4−7x=31
−4+−7x=31
−7x−4=31
Step 2: Add 4 to both sides.
−7x−4+4=31+4
−7x=35
Step 3: Divide both sides by -7.
−7x
−7
=
35
−7
x=−5
