Math, asked by akashanand58261, 11 months ago

3.
Subtract: 5x+7 from
21x +9​

Answers

Answered by srivaishnaviparamatm
18

Answer:

This statement means

21x+9 - 5x+7

(subtract the variables and constants separately to get 1 value for each)

= 16x+16

21x-5x=16

9+7=16

Hope it helps you.

Answered by pulakmath007
0

Subtracting 5x + 7 from 21x + 9 we get 16x + 2

Given :

The expressions 5x + 7 and 21x + 9

To find :

Subtract 5x + 7 from 21x + 9

Solution :

Step 1 of 2 :

Write down the given expressions

The given expressions are 5x + 7 and 21x + 9

Step 2 of 2 :

Subtract 5x + 7 from 21x + 9

On subtraction 5x + 7 from 21x + 9 we get

\displaystyle \sf{ = (21x + 9) - (5x + 7)  }

\displaystyle \sf{ = 21x + 9 - 5x  - 7}

\displaystyle \sf{ = 21x - 5x + 9   - 7}

\displaystyle \sf{ = (21 - 5)x + (9   - 7)}

\displaystyle \sf{ =16x + 2}

Subtracting 5x + 7 from 21x + 9 we get 16x + 2

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