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AlekseyPX
3 years ago
10

Solve the equation 11x + 7 = 73?

Mathematics
2 answers:
kupik [55]3 years ago
6 0

Answer:

x = 6

Step-by-step explanation:

<u>Step 1:  Subtract 7 from both sides</u>

11x + 7 - 7 = 73 - 7

<em>11x = 66</em>

<em />

<u>Step 2:  Divide both sides by 11</u>

11x = 66

11x / 11 = 66 / 11

<em>x = 6</em>

Answer:  x = 6

Sliva [168]3 years ago
3 0

Answer:

6

Step-by-step explanation:

11x + 7 = 73

     - 7    - 7

     11x = 66

divide 66 by 11 and you get 6

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The math club sells candy bars an d drinks during football games. • 60 candy bars and 110 drinks will sell for $265. • 120 candy
Sedbober [7]
We can set up a system of equations to solve this. 

120b + 90d = 270
60b + 110d = 265

To cancel out b, first make the b terms equal.

60b · 2 + 110d · 2 = 265 · 2
120b + 220d = 530

Now subtract the equations.

 120b +   90d =  270
-120b + 220d =  530
---------------------------
            -130d = -260

Solve for d.

-130d/-130 = -260/-130
d = 2

Now put the value of d in one of the equations. 

60b + 110d = 265
60b + 110 · 2 = 265
60b + 220 = 265
60b + 220 - 220 = 265 - 220
60b = 45
60b/60 = 45/60
b = 0.75

Each candy bar sells for $0.75

Hope this helps! :)
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3 years ago
Only 18 people are allowed on a ride at the same time. There are 157 people waiting in line. How many groups of riders will ther
IrinaK [193]

Answer:

Step-by-step explanation:

Divide 157 by 8 to see how many groups there are.

157/18=8r13. So you can round up to 9 groups of riders as there is a max of 18 at a time.

7 0
3 years ago
True or False: The FOIL method is an example of the distributive<br> property.
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Answer:

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Step-by-step explanation:

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Answer:

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