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a_sh-v [17]
3 years ago
11

What is the solution to this equation?

Mathematics
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Given

2(5x + 8) = 6x + 20 ← distribute parenthesis on left side

10x + 16 = 6x + 20 ( subtract 6x from both sides )

4x + 16 = 20 ( subtract 16 from both sides )

4x = 4 ( divide both sides by 4 )

x = 1 → B

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State the zeros of the following. (x- 2) (x - 3) =0
gregori [183]

Answer:

x=2,3

Step-by-step explanation:

(x- 2) (x - 3) =0

Using the zero product property

x-2 =0                 x-3 =0

x-2+2=0+2          x-3+3 =0+3

x=2                        x+3

7 0
3 years ago
I need to find x & y. plz answer i really need thisssss. only if correct :)
Leto [7]

Answer:

x=12, y= 20

Step-by-step explanation:

We can find x using the pythagorean thereom because ABD is a right triangle.(D is the point between segments with legnth 5 and 11)

AC^2 + CD^2 = AD^2

x^2 + 5^2 = 13^2

x^2 = 25 = 169

x^2 = 144

x = 12

We may now find y using the pythagorean thereom because ABC is a right triangle. Right now we know x = 12

AC^2 + CB ^2 = AB^2

12^2 + 16^2 = y^2

144 + 256 = y^2

y^2 = 400

y= 20

<em>I hope this helps! :)</em>

5 0
3 years ago
Solve for x: 3(x + 1) = −2(x − 1) − 4.
Vlad [161]

Answer:

Multiply the first bracket by 3

Multiply the second bracket by -2

3x+3=-2x+2-4

3x+2x+3=-2x-2   negative (-) number and positive number (+)= negative number

Just rearranging

5x+3=-2

5x+3-3=-2-3

5x=-5

Dividing by 5

5x/5=-5/5

x=-1

Check answer by using substitution method

3(-1+1)=-2(-1-1)-4

0=-2(-2)-4 negative number and negative number = positive number

0=4-4

0=0

Answer is x=-1

6 0
3 years ago
The sum of three consecutive even numbers is 168.<br> What is the smallest of the three numbers?
Zanzabum

Answer:

55

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Simplify. 5(x - y) - (x - y) <br> a. x - y <br> b. x y <br> c. 4x - 4y <br> d. 4x 4y
chubhunter [2.5K]
C is the answer hope this helps. 
5 0
3 years ago
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