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Basile [38]
3 years ago
14

Solve for x 21x+6help please ?

Mathematics
2 answers:
ki77a [65]3 years ago
8 0
If it equats to 0, then you send the six to where it equats as zro for it to bevome -6. It looks like this.
21x=-6.
Then send the 21 multiplied with the x to the other side. This time, it will act as division. This will look like this.
x=-6/21.
This simply means that x=-6/21.
Hope this helps.
OLEGan [10]3 years ago
4 0

subtract 6 from the 21x+6. Then divide by 21. The answer is going to be -6/21

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3 years ago
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14w^9- 19w^9<br> Help please
zhuklara [117]

Answer:

-5w^9.

Step-by-step explanation:

These two terms are what we call, 'like terms'. This means that they are terms whose variables and exponents are the same. 14w^9- 19w^9 have the variable w^9 in common.

In these cases, all we do is use the coefficients (the number in front of the variable). Hence, 14w^9- 19w^9, quite literally turns into, 14-19. If we complete the sum, 14-19= -5. Put it all together, we have -5w^9.

Hope this helps!

4 0
3 years ago
Solve each equation by completing the square <br> 6) m² + 16m – 8 = 0
Natali5045456 [20]

Answer:

m = - 8 ± 6\sqrt{2}

Step-by-step explanation:

Given

m² + 16m - 8 = 0 ( add 8 to both sides )

m² + 16m = 8

To complete the square

add ( half the coefficient of the m- term )² to both sides

m² + 2(8)m + 64 = 8 + 64

(m + 8)² = 72 ( take the square root of both sides )

m + 8 = ± \sqrt{72} = ± \sqrt{36(2)} = ± 6\sqrt{2}

Subtract 8 from both sides

m = - 8 ± 6\sqrt{2}

3 0
3 years ago
When solving -1/8(x+35)=-7 , what is the correct sequence of operations
TiliK225 [7]

x= -623/18

Hope it helps for you,buddy!


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3 years ago
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