# Twenty-five decreased by twice a number is twelve

Answers: 1

## Answers

Twenty-five decreased by twice a number is twelve...

Answers: 1

Twenty-five decreased by twice a number is twelve...

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#answerfortrees

Explanation:

• Let “number” be “n”

25 - 2n = 12

• Reverse the operations and find “n”

12 + 2n = 25

• But since you can’t find “n” because of the lack of information, you should subtract the constants/non-variables

25 - 12 = 13 or 2n

• Divide 13 by 2 to get “n”

13/2 = 6.5

• Therefore, “n” or “number” is *6.5*

1. 2(x²)= 32

2. 25-(2x)= 12

3. (2x)+8= 14

4. (x-9)²= 25

1. 2(x²)=32

2. 25-2x=12

3. 2x+8=14

4. (x-9)²=25

answer:

1. 2x+y=6

2. 4y+x=10

3. 3x+y=7

x+y=98

4. 25x-2y=12

Step-by-step explanation: