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PtichkaEL [24]
3 years ago
9

What is the sum?Complete the equation (help)

Mathematics
1 answer:
vitfil [10]3 years ago
7 0

Answer:

converting the equation to improper fraction

31/5+(-38/5)

31/5-38/5( the plus sign affected the minus sign inside of the bracket which is+*- = -)

multiply both terms by 5

31-38= -7

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2 years ago
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kiruha [24]

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48

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7 0
3 years ago
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Divided 80 by my number, and then added 13. The result was 93. What was my number?
igor_vitrenko [27]

The number is 6400.

We have given that,

divided 80 by my number, and then added 13.

<h3>What is the expression?</h3>

An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Suppose the number is x

\frac{x}{80}+13=93

Subtract  13  from both sides

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Multiply both sides by 80

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x=6400

Therefore the number is 6400.

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4 0
2 years ago
If x2 = 30, what is the value of x?
hammer [34]

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