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DiKsa [7]
3 years ago
11

Factorise fully -x - 8

Mathematics
1 answer:
natta225 [31]3 years ago
3 0

Answer:

x = -8 please mark brainliest

Step-by-step explanation:

Pull out like factors :

  -x - 8  =   -1 • (x + 8)

Equation at the end of step  1  :

Step  2  :

Solving a Single Variable Equation :

2.1      Solve  :    -x-8 = 0

Add  8  to both sides of the equation :

                     -x = 8

Multiply both sides of the equation by (-1) :  x = -8

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7w + 6 + 2w = (w + 2)
Sindrei [870]

Hey there!

The correct answer is w = \frac{-1}{2}

7w + 6 + 2w = w + 2          ~ Write the equation

9w + 6 = w + 2                   ~ Simplify

8w + 6 = 2                          ~ Subtract w from both sides

8w = -4                             ~ Subtract 6 from both sides

w = \frac{-1}{2}                                ~ Divide both sides by 8

Hope it helps and have a great day!

4 0
3 years ago
What is the solution for the following equation 3(2x+3)=2(3x+4)?
ki77a [65]

Answer:

<h2><u><em>no solution, the equation is false</em></u></h2>

Step-by-step explanation:

what is the solution for the following equation 3(2x+3)=2(3x+4)?

3 * (2x + 3) = 2 * (3x + 4)

6x + 9 = 6x + 8

6x - 6x = -9  + 8

0 = ±1

the equation is false

7 0
2 years ago
Read 2 more answers
Stella models a product with algebra tiles. Write a number sentence that best describes her model. Fill in the blanks.
Kamila [148]

Answer:

Sorry i dont understand

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
it cost a manufacturer $8.75 produce a pair of sunglasses that sells for $29.99. How much must a manufacturer sell to make a pro
Elis [28]
29.99x-8.75x=17884

21.24x=17884

X=841 sunglasses

It actually comes out to be more than 841, but since you can’t make .9 sunglasses then you round to the lower whole number.
3 0
3 years ago
Show how to solve 5x^2+7x=6 by factoring. You must show all work and steps.
uysha [10]
5x^2 + 7x = 6

5x^2 + 7x -6 = 0

5x^2 + 10x -3x -6 =0

5x × (x + 2) -3 (x + 2) = 0

(x + 2) × (5x - 3) = 0

x + 2 = 0
5x - 3 = 0

x = -2
x = 3/5

answer: x = -2, x = 3/5
4 0
3 years ago
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