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denpristay [2]
2 years ago
6

Simplify: 7x- 3x + x

Mathematics
2 answers:
Ksivusya [100]2 years ago
7 0

Answer:

4x+x

Step-by-step explanation:

hope this answer will help you

irina1246 [14]2 years ago
3 0

Answer: 5x

add/subtract like terms

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A+ 2b = 10 2a + b =6
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First you can solve for b: Subtract a on both sides and get 2b=-a+10, then divide by 2 to get b by itself and get: b=-1/2a+5

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3 years ago
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Make x the subject! urgent help
Serhud [2]

Answer:

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I supposed that is a "n".

Steps as below:

{t}^{2}  = b -  \frac{n}{x}  \\ b -  \frac{n}{x}  =  {t}^{2}  \\  -  \frac{n}{x}  =  {t}^{2}  - b \\  \frac{n}{x}  =  - ( {t}^{2}  - b) \\  \frac{n}{x}  = b -  {t}^{2}  \\ n = x(b -  {t}^{2} ) \\ x(b -  {t}^{2} ) = n \\ x =  \frac{n}{b -  {t}^{2} }

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