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laila [671]
3 years ago
8

What is 18x-9(x-1)=5(3x+3)

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

Answer:

-4

Step-by-step explanation:

18x - 9(x - 1) = 5(3x + 3)

Step 1: Distribute

18x - 9x - 9 = 15x + 15

Step 2: Combine like terms

9x - 9 = 15x + 15

Step 3: Solve by using opposites terms, try to get x on one side and the solution on the opposite side

9x - 9 = 15x + 15

-9x        -9x

-9 = 6x + 15

-15         -15

-24 = 6x

/6      /6

-4 = x

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Soda A cost $1.49 per 28 oz. bottle vs. $0.95 per 21 oz.
IrinaVladis [17]

Answer:

You will be spending for Soda A for about 1 more cent than Soda B

Step-by-step explanation:

Find the rate of both sodas.

Soda A.

1.49 / 28 = $0.0532 per oz.

Soda B.

0.95 / 21 = $0.0452 per oz.

7 0
3 years ago
3x + 12 = -6x - 9 and
Marianna [84]
  • Answer:

<em>1. x = - 7/3 = - 2  1/3</em>

<em>2. x = -2</em>

  • Step-by-step explanation:

<em>Hi there ! </em>

<em />

<em>3x + 12 = - 6x - 9</em>

<em>3x + 6x = - 12 - 9</em>

<em>9x = - 21</em>

<em>x = - 21⁽³/9</em>

<em>x = - 7/3</em>

<em>x = - 2  1/3</em>

<em />

<em>12x + 20 = 2x</em>

<em>12x - 2x = - 20</em>

<em>10x = - 20</em>

<em>x = - 20/10</em>

<em>x = - 2</em>

<em />

<em>Good luck !</em>

5 0
3 years ago
Sam has a party with snacks. One bowl of snacks has a mixture of fish crackers. There are 15 pretzels, 3 orange, 5 yellow, and 7
Diano4ka-milaya [45]
<h3>Answer:  33.3% approximately</h3>

Explanation:

Ignore the 15 pretzels. We're only focusing on the fish crackers.

3 orange + 5 yellow + 7 green = 15 total fish crackers

Of that total, 5 are yellow.

So approximately 5/15 = 1/3 = 0.333 = 33.3% of the crackers are yellow.

3 0
2 years ago
Whats the awnser to this question
horsena [70]
The sum of the angles of a triangle is 180º.
We have three angles:
∠yxz=3x+5
∠xzy=180º-(8x-14)
∠xyz=4x

Therefore:
(3x+5º) + [180º-(8x-14º)]+(4x)=180º
3x-8x+4x=180º-5º-14º-180º
-x=-19º
x=19º

∠yxz=3x+5º =3(19º)+5º=62º
∠xzy=180º-(8x-14)=180º-(8(19º)-14)=42º
∠xyz=4x=4(19º)=76º

Answer:  m∠yxz= 62º.
8 0
4 years ago
Write the equation of a line that goes through the points (-7,10) and (1,4)
Bad White [126]
I’m pretty sure the answer is y=3/4x-13/4
8 0
3 years ago
Read 2 more answers
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