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Aneli [31]
3 years ago
7

4-2/3(4x-9)=11 solve for x

Mathematics
2 answers:
djyliett [7]3 years ago
7 0

x= -3/8

here's how you solve it!

first distribute the -2/3 into the parentheses and you'll get:

4-8/3x+6=11

Then add 4 and 6 together

10-8/3x=11

Then multiply the equation by 3

30-8x=33

Then move the constant to the other side and change the sign

-8x=33-30

Subtract 30 from 33

-8x=3

Then divide both sides by -8

x=-3/8

Then you are left with your answer:

x= -3/8

Hope this helps! :3

koban [17]3 years ago
4 0

Simplify both sides of the equation.

4 −  2/3  (4x − 9) = 11

4 +  −8/3  x + 6 = 11

Distribute

(−8/3  x) + (4 + 6) = 11

Combine Like Terms

−8/3x+10=11

Subtract 10 from both sides.

−8/3x + 10 − 10 = 11 − 10

−8/3

x = 1  

Multiply both sides by 3/(-8).

(3/−8)*(−8/3  x) = (3/−8)*(1)

x =  −3/8



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3 years ago
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3 years ago
For which of the following equations are x = 5 and x = –5 both solutions?
Minchanka [31]
Short Answer B
Argument
A
A will give you x = +/- 5i 
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x = +/- (5)i which is a complex number.


B
Is the answer
x^2 = 25
sqrt(x)^2 = sqrt(25)
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C
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D
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