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angelaencinas90
13.09.2019 •
Biology
The sum of 8 and 5 is equal to the difference of a number and 7
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Ответ:
We have that for the Question "The sum of 8 and 5 is equal to the difference of a number and 7" it can be said that The value of x is
From the question we are told
The sum of 8 and 5 is equal to the difference of a number and 7
Generally the equation for the Statement is mathematically given as
Therefore
The value of x is
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Ответ:
8+5 = x - 7
Explanation:
a number is X
sum means addition
difference means subtraction
To solve: You need to isolate x on one side of the equation (one side of the = sign). To do this, add 7 to both sides so you can move it from one side to the other:
8 + 5 = x - 7
+7 +7
As you can see, adding 7 will cancel out the - 7 on the right side, and move it to the left. Now the equation you are left with is
8 + 5 + 7 = x
Finally add the numbers together and you will get your value for x.
8 + 5 + 7 = 20
20 = x
Ответ: