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Tyrant4life
09.07.2019 •
Mathematics
After 4 apples were added to a sack, there were 3 times as many apples in the sack as before. how many apples were in the sack before the addition?
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Ответ:
So, your equation for this problem would be—
x+4=3x
To solve this equation, you need to move the variables (x) to only one side of the equation.
So, you would use the Subtraction Property of Equality.
x+4=3x
-x -x
—————
4=2x
Now, your new equation is 4=2x.
Using the Commutative Property, we can reverse this to—
2x=4
Your next step is to find X. To do this, we can divide each side by 2.
2x=4
———
2 2
2/2=1. 4/2=2
Thus your new equation is—
X=2.
As a conclusion, there were 2 apples in the sack before you added the extra ones.
To check this, you could do
2+4= 6
6/3= 2
There were 2 apples originally in the sack.
Hope this helped!
Regards,
KayEmQue
Ответ:
4th root of (1/x)^5
Step-by-step explanation: negative exponent makes the x become 1/x. The 4 goes to the outside of the radical, and the 5 stays as the exponent