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Vikentia [17]
3 years ago
13

Simplifying the equation 7x-(9x+5)?

Mathematics
2 answers:
Greeley [361]3 years ago
4 0

Distribute -1 to all terms within the parenthesis

-(9x + 5) = -9x - 5

7x - 9x - 5

Simplify. Combine like terms

(7x - 9x) - 5

-2x - 5 is your answer

hope this helps

sweet-ann [11.9K]3 years ago
3 0
7x -(9x+5)
7x - 9x - 5
-2x - 5
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2 years ago
Select the number property that will justify the step in the following expression. 2(5 • 17) = (2 • 5) 17 = 10 • 17 = 170
Andreyy89

The number property that will justify the step in the following expression. 2(5 • 17) = (2 • 5) 17 = 10 • 17 = 170 is; Associative Property

<h3>What is the Number Property that was used?</h3>

The associative property is a math rule that says that the way in which factors are grouped in a multiplication problem does not change the product.

Now, this associative property is used here because we see that;

2(5 • 17) = (2 • 5) 17

In both left and right hand sides we see that despite the change in order, the result remains the same.

Read more about Number Property at; brainly.com/question/24792133

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4 0
1 year ago
Làm ơn hãy giúp tôi <br> (a+b)²<br> (a-b)²
marysya [2.9K]

Answer:

(a + b) ^{2}  =  {a}^{2}  + 2ab +  {b}^{2}  \\ (a - b) ^{2}  =  {a {}^{2}  - 2ab +  {b}}^{2}

Step-by-step explanation:

hopethe answer helped you :)

8 0
2 years ago
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