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kotykmax [81]
3 years ago
5

Solve the linear equation by combining like terms: 23 + 7 - 2x = 8x

Mathematics
2 answers:
Aleks [24]3 years ago
3 0

Answer:

23+7-2x=8x

We simplify the equation to the form, which is simple to understand  

23+7-2x=8x

We move all terms containing x to the left and all other terms to the right.  

-2x-8x=-23-7

We simplify left and right side of the equation.  

-10x=-30

We divide both sides of the equation by -10 to get x.  

x=3

Step-by-step explanation:

natta225 [31]3 years ago
3 0

Answer:

x=3

Step-by-step explanation:

23 +7-2x=8x

Combine like terms

30-2x=8x

Add 2x to each side

30-2x+2x = 8x+2x

30 = 10x

Divide each side by 10

30/10 = 10x/10

3 = x

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Okay so.
2/5=24/60 (multiply 2/5 by 12)
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1/4=15/60 (multiply 1/4 by 15)
Then,
Add 24/60 with 40/60 which is 64/60 after you get that you subtract by 15/60 and you get 49/60.
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2 years ago
the following table gives the number of people on the titanic by class and whether or not they survived gi
ziro4ka [17]

Answer:

Where’s the rest of the question ??

Step-by-step explanation:

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2 years ago
There are 29 second graders at recess. Then, 27 third graders and 43 fourth graders join them at recess.
aev [14]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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PSYCHO15rus [73]

Answer:

Please check the explanation.

Step-by-step explanation:

We know the equation

y = kx

k = y/x

where k is the proportionality constant

so,

First ratio can be calculated as

Miles = 45

Hours = 3/4

The ratio = 45 / (3/4)

                = (45 × 4) / 3

                = 180/3

                = 60

Thus, the proportionality constant = 60

Thus, the remaining ratios can be calculated as:

The Pair (135, Hours)

135/Hours = 60

Hours = 135 / 60

           = 27/12

           = 9/4

           = 2.25

Thus, the pair is (135, 2.25)

The Pair (Miles, 3)

Miles/3 = 60

Miles = 60×3

         = 180

The Pair (90, Hours)

90/Hours = 60

Hours = 90 / 60

          = 3/2

          = 1.5

Thus, the complete table:

Miles           45           135           180             90

Hours           3/4          9/4           3                 3/2

Verification:

Miles / Hour =  45/(3/4) = 60

Miles / Hour = 135 / 2.25 =  60

Miles / Hour = 180 / 3 = 60

Miles / Hour  = 90 / 1.5 =  60      

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THE ANSWR IS B GOODLUCK
8 0
3 years ago
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