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3 votes
Solve the following equations:
a)
4b = 20

2 Answers

3 votes

Answer:

b = 5

Explanation:

4b = 20

Whatever we do to one side of the equation, we have to do to the other.

To "isolate the variable", or get "b" by itself, we have to divide both sides by 4

4b divided by 4 is b, since "4b = 4 times b"

20 divided by 4 is 5

4b = 20

b = 5

User Matino
by
7.9k points
3 votes

Answer:

b = 5

Explanation:

You want to get b on one side alone so you divide by 4.

20 divided by 4 is 5.

User Andrsnn
by
7.9k points

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