xdoran
28.10.2019 •
Mathematics
()
when solving 20x+5y=40 for y which statement below describes the method of step 2
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Ответ:
C
Step-by-step explanation:
Because you should be subtract each other by 20x to transfer from side to another side.
Ответ:
B. Collect like terms
Step-by-step explanation:
The first step is to subtract
from each side of the equation, and we have the following
We can see that on the left side of the equation we have like terms (the two terms containing x)
so the next step is to combine or collect those like terms
and 
to simplify the expression:
We are not distributing or eliminating the
(because there is still a term with x on the right side), nor are we completely isolating the 
yet.
What was done in this step was to collect like terms.
Ответ: