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IRISSAK [1]
3 years ago
10

14d + 21 and 7(2d + 3)

Mathematics
2 answers:
Gennadij [26K]3 years ago
3 0

Answer:

the answer is 28d + 42

Step-by-step explanation:

multiply what's on the brackets them add

Vlada [557]3 years ago
3 0
Answer:
D can be any value

Explanation:
First, we apply the distributive property to 7(2d+3) by multiplying 7 by both values (this is to open up the parentheses)

7(2d+3)
=14d+21

Now, we learn that 7(2d+3)=14d+21, which is the same thing as 14d+21=14d+21.

14d+21=14d+21
14d-14d=21-21
0=0

Because we’ve reached 0=0, which is a true statement, and not a value for d, d can be any value and the statements will be true.

I hope this helps!
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100 x 54 + 77 ÷ 2 = ? (RIGHT ANSWER GETS BRAINLIEST)
Nadusha1986 [10]

Answer:

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Step-by-step explanation:

To complete this equation, we must use the order of operations also known as PEMDAS.

For the case of this problem, we start by multiplying or dividing numbers before adding or subtracting numbers.

First let's start on the left:

100 x 54 + 77 ÷ 2

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I hope this helps! Just remember to always add or subtract number last and start on the left, so that you don't get confused.

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Step-by-step explanation:

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