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nexus9112 [7]
3 years ago
10

4 * (3.4+2)-(56 divided by 7)= 13.6, please give an explanation to this problem!!

Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0

Answer:

=13.6

Step-by-step explanation:

\mathrm{Remove\:parentheses}:\quad \left(a\right)=a

=4\left(3.4+2\right)-\frac{56}{7}

=21.6-8

\mathrm{Subtract\:the\:numbers:}\:21.6-8=13.6

=13.6

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d. (n - 1) + n = 2n - 1

<h3>Solution:</h3>

General Rule for Equation Solving

  • Remove parentheses and combine like terms to simplify each side of the equation.
  • To isolate the variable term on one side of the equation, use addition or subtraction.
  • To find the variable, use multiplication or division.

Given two consecutive numbers , (n - 1) , n

simplifying :

n - (n - 1)

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= n - n + 1

= 1

multiplying :

n( n -1)

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simplifying :

(n-1) + n

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by adding two numbers :

(n - 1) + n

= n -1 + n

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brainly.com/question/22688504

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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