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AleksandrR [38]
3 years ago
8

The diffrence of twice a number and 3 is -21

Mathematics
1 answer:
Alika [10]3 years ago
8 0

Answer:

x = - 9

Step-by-step explanation:

Step 1:

2x - 3 = - 21    Equation

Step 2:

2x = - 18     Add 3 on both sides

Step 3:

- 18 ÷ 2    Divide

Answer:

x = - 9

Hope This Helps :)

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Answer:

f. the sequence goes by the half of the previous number.

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g. the sequence goes by adding the consecutive odd number added to the previous number.

first number= 3.

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fourth number= 11+7

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fifth number= 18+9

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sixth number= 27+11

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seventh number= 38+13

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Answer:

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Step-by-step explanation:

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3 years ago
How do I do 1 and 5?
Nat2105 [25]
I will show you how to do #5:

a).   -20 + 2(n-1)        Original Expression
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Final Expression: -22 + n


b).  1.5 + (-2.5)(n -1)     Original Expression 
       1.5 + -2.5n + 2.5     Distributive Property
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Final Expression: 4 - 2.5n




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Step-by-step explanation:

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