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zheka24 [161]
3 years ago
12

What is the reason for each strip on the solution of the equation?

Mathematics
1 answer:
Pani-rosa [81]3 years ago
7 0

Step 1: Given

Step 2:  Distributive Property

Step 3: Addition Property of  Equality

Step 4: Division Property of  Equality

Step-by-step explanation:

We need to match the reason with the correct step in the equation.

Equation:

Given:

2x = -4(x-3)

Applying Distributive property a(b+c)=ab+ac

2x=-4x+12

Now, Applying addition property of equality:

Adding +4x on both sides

2x+4x=-4x+12+4x\\6x=12

Now, Applying Division property of Equality:

Divide both sides by 6:

\frac{6x}{6}=\frac{12}{6}\\x=2

So, Answer will be:

Step 1: Given

Step 2:  Distributive Property

Step 3: Addition Property of  Equality

Step 4: Division Property of  Equality

Keywords: Solving Equations

Learn more about Solving Equations at:

  • brainly.com/question/1563227
  • brainly.com/question/2403985
  • brainly.com/question/11229113

#learnwithBrainly

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Six times a number x and was added to 90 and the result is -42. What is the number​
ANTONII [103]

According to the question,

6x + 90 = -42

<h3>To Find:</h3>

The value of x.

<h3>Solution:</h3>

6x = -42 + 90

or, x = 48/6

or, x = 8

<h2>Answer:</h2>

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6 0
3 years ago
Subtract 7 2/9 - 1 5/6
fiasKO [112]

Answer:5 7/18

Step-by-step explanation:

7 2/9 - 1 5/6

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5 0
3 years ago
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Consider the expressions 3x(x − 2) + 2 and 2x2 + 3x − 18.
Rzqust [24]

Answer:

See answer below

Step-by-step explanation:

For the first expression

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evaluated at x= 4 we get: 26

and for x = 5 we get 47.

For the second expression

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we get the exact same values when doing the evaluation at these two points.

Based on those results, one may think the expressions may be equivalent, but they are not equivalent. Because at any other x-value, their results are different. See for example that for x = 0 the first one gives "2" while the second one gives -18.

4 0
2 years ago
5(3x + 4) + 2x
Lesechka [4]

Answer:

1. x= - 20/13

2. 7x-21

Step-by-step explanation:

3 0
3 years ago
Select the correct answer. Which equation, when solved, gives 8 for the value of x? OA. +3 = =+14 OB. 5-9=31-12 OC. 21-2=r-4 OD.
34kurt

Answer:

B

Step-by-step explanation:

i did it and it’s right

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