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PolarNik [594]
3 years ago
6

Why us the answer 20-2 (5+5)

Mathematics
2 answers:
Umnica [9.8K]3 years ago
6 0
20-2 (5+5) youre supposed to do what's in 18+10. the parentheses first which is 28. 5+5=10 then 20-2=18 so then you add 10+18=28✔
nadya68 [22]3 years ago
4 0
20 - 2(5 + 5)
20 - 2(10)
20 - 20
0
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Seven times the difference of x and 4 is -10
4vir4ik [10]

Answer:

In this equation x = 2

Step-by-step explanation:

First, it is easiest to convert these words to numbers. That would make it

4 - <em>x  </em>· 7 = -10

First subtract 4 from both sides.

4 - <em>x</em> · 7 - 4 = - 10 - 4

Then you simplify.

-<em>x ·</em> 7 = -14

Divide both sides by 7.

\frac{-x(7)}{-7} = \frac{-14}{-7}


Then you simplify that fraction to 2 and thats how you get your answer.



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I believe the answer you are looking for is 4/5.

Solution:

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goldenfox [79]

Answer:

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Step-by-step explanation:

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