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Gemiola [76]
3 years ago
7

Solve for x. −2 = 3 9 x A) −3 B) −6 C) −9 D) −12

Mathematics
2 answers:
bearhunter [10]3 years ago
6 0

is it 39x? or 3 + 9x ?

-2 = 39x                       -2 = 3 + 9x

/39    /39                      -3   -3

-2/39 = x                      -5 = 9x

                                     /9   /9

                                   -5/9 = x

hope this helps!!

Serggg [28]3 years ago
6 0

Answer:

the answer is -6

Step-by-step explanation:

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Gala2k [10]

Answer: y = -1/2

Step-by-step explanation:

Subtract both sides by 7/8

y = 3/8 - 7/8

Then combine like terms

y = -4/8

Then simplify

y = -1/2

4 0
3 years ago
Factor: 9t^2-16u^2 ?
liq [111]

Answer:

Step-by-step explanation:

9t²-16u² = 3²t²-4²u² = (3t)²-(4u)² = (3t+4u)(3t-4u)

8 0
4 years ago
6. Solve the following equation for x. Show each step.<br> 5x + 2 = 3x + 4(2x - 1)
monitta

Answer:

x=1

Step-by-step explanation:

5x + 2 = 3x + 4(2x - 1)

Distribute the 4

5x + 2 = 3x + 8x - 4

Combine like terms

5x + 2 = 11x - 4

Subtract 5x from each side

5x -5x + 2 = 11x - 5x - 4

2 = 6x-4

Add 4 to each side

2+4 = 6x-4+4

6 = 6x

Divide each side by 6

6/6 =6x/6

1= x

4 0
3 years ago
Read 2 more answers
Which of the following expressions is equivalent to the expression x - (-3) ?
ziro4ka [17]
D.
X+3
I attached a picture

6 0
3 years ago
What is ​ BC ​ ?<br><br><br> Enter your answer in the box.
tangare [24]
Lines AB and AC are equal so you set up an equation like so...
4x + 1 = 2x + 23
Subtract 1 from both sides.
4x = 2x + 22
Subtract 2x from both sides.
2x = 22
Divide.
x = 11
Now you need to plug in 11 into 3x - 8.
3(11) - 8
= 33 - 8
= 25
So BC is 25.
I hope this helps love! :) 
5 0
4 years ago
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