To solve this, you need to isolate/get the variable "n" by itself in the equation:
Multiply 21 on both sides to get "n" by itself

Simplify the fraction
-18 = n
Answer:
In two years erin grew 7 inches
Step-by-step explanation:
42 - 35 = 7
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Answer Is In Image Provided.
Answer:
36cm
Step-by-step explanation:
Answer:
(-2, 33) and (5, - 16)?
A. 7x- y=51
B. 7x+ y= -47
C. 7x+ y= -14 D. 7x+y= 19
Step-by-step explanation: