3 years ago

What is the Difference between Order of operations and Algebraic Expressions

1 answer:

7 0

The <em>Order of Operations</em> is a set of rules that tell you how to evaluate <em>Algebraic Expressions</em>.

They are different classes of object, like a knife and an apple. They cannot be compared, but one is used to make something useful of the other.

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4x + 7 = 23slove this

Juli2301 [7.4K]

Given:

4x + 7 = 23

Let's solve for x.

First Step:

Subtract 7 from both sides

4x + 7 - 7 = 23 - 7

4x = 16

Next Step:

DIvide both sides by 4

$\begin{gathered} \frac{4x}{4}=\frac{16}{4} \\ \\ x\text{ = 4} \end{gathered}$

ANSWER:

x = 4

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1 year ago

Fiona found 47 pens for $3.00 . Please help Fiona by figuring out the ratio. (round to 2 decimal places)

shepuryov [24]

Answer:

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Step-by-step explanation:

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2 years ago

Solve the system of equations. x+2y=6; 3x-14y=8 please help

ira [324]

Let x = 6 = 2y so
3(6 - 2y) + 14y = 8 so
18 - 6y + 14y = 8 so
8y = -10 and
$y = \frac{ - 10}{8} = - \frac{5}{4} \\ \\ since \: x = 6 - 2y \\ 6 - 2( \frac{ - 5}{4}) = x \: so \\ x = 6 + \frac{10}{4} = \frac{24}{4} + \frac{10}{4} = \frac{34}{4} = \frac{17}{2}$

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3 years ago

One of the numbers was increased by 10 and the other remained the same. How did the average of the two numbers change?

Alexxandr [17]

10+0=10
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The average is 5.

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Ksivusya [100]

The answer is this

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3 years ago