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Lana71 [14]
3 years ago
13

Please answer the two questions.

Mathematics
2 answers:
Anarel [89]3 years ago
6 0

Answer:

1. n= 14

2. n=3

Step-by-step explanation:

For the first problem, let's break down the equation. The number being thought about can be represented by <em>n</em>. Then <em>n </em>is increased by 7, or simply put 7+ <em>n. </em>The sum is 21, so to find n you can use the equation 7 + n = 24 and solve for <em>n, </em>which is 14.

For problem two, the same strategy can be used. The number is <em>n, </em>multiplied by 9. So, 9 * <em>n</em> is equal to 27. Solve for n by isolating n, and the answer is 3.

nika2105 [10]3 years ago
4 0

Answer:

1. n=14

2. n=3

Step-by-step explanation:

What you could do is if it says the sum of whatever and it gives you a number in the equation you can set it up.

#1. So for the first one the sum is (21) and a number it gives you is (7). It says <em>increased</em> and it says <em>sum </em>so that means you add.

7+n=21                  *question set up in equation*

-7     -7                   *subtract 7 from both sides to isolate n and get you're answer**

n=14

#2. For the 2nd one it says <em>multiplied</em> and <em>product</em> so you will be using multiplication. It gives you the product (27) and a number in the equation (9). To set it up:

9xn=27                      *question set up in equation*

9/9  =27/9                  *divide 9 by both sides to get answer. You divide bc its the opposite of multiplication**

n=3

<u>For the inverses</u>

If it is addition, subtract

If it is subtraction, add

If it is multiplication, divide

If it is division, multiply

<u>For context clues to set up equation</u>

Sum--> addition

Difference--> subtraction

Quotient--> division

Product--> multiplication


Hope it helps!

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