Which two operations would you use to solve the equation x/4 + 8 = 22?
add and divide
subtract and divide
add and multiply
subtract and multiply
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OpenStudy (anonymous):
When you see an equation like this, you want to isolate the variable.
In order to do this, you can think of performing opposite operations.
The variable is divided by 4 and then 8 is added.
What is the opposite of adding 8?
What is the opposite of dividing by 4?
The answer to those two questions is the answer to your question.
OpenStudy (anonymous):
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OpenStudy (anonymous):
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OpenStudy (anonymous):
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OpenStudy (anonymous):
What do you need?
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OpenStudy (anonymous):
I just explained how to get the answer.
OpenStudy (anonymous):
Its Only For Mttfeury Sory!1 :D
OpenStudy (anonymous):
which is add and multiply right?
OpenStudy (anonymous):
Opposite.
OpenStudy (anonymous):
You need to "undo" the addition and division.
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OpenStudy (anonymous):
add and divde
OpenStudy (anonymous):
The multiply is correct.
What is the opposite of adding something?
OpenStudy (anonymous):
What is the opposite of adding something?
OpenStudy (anonymous):
Subtracting
OpenStudy (anonymous):
Yes, so you would subtract 8 and then multiply by 4.
This would leave the x by itself, so you have effectively solved for x.
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