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Natali [406]
3 years ago
10

Solve 8[7-(6x-6)]+6x=0

Mathematics
2 answers:
bazaltina [42]3 years ago
5 0

8[7 - (6x - 6)] + 6x  =  0          

 

8[7 - 6x + 6] + 6x  =  0            

56 - 48x + 48 + 6x  =  0        

 

104 - 42x  =  0                       .

 

- 42x  =  - 104                        .

 

x  =  52 / 21

x  ≈  2.476

skelet666 [1.2K]3 years ago
5 0
8[7-(6x-6)]+6x=0
8[7-6x+6]+6x=0
8[13-6x]+6x=0
104-48x+6x=0
104-42x=0
104=42x
52=21x
x=52/21
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Explanation:
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Area = (1/2) * (base length 1 + base length 2) * height;

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</span> ↔  <span>4624 = 2b + 42 ; 

</span> ↔  <span>2b + 42 = 4624 ;

Subtract "42" from each side of the equation:

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    Now, divide each side of the equation by: "2" ; to isolate "b" on one side of the equation; and to solve for "b" ;
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             2b / 2 = 4582 / 2 ;
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 to get:    b = 2291 units.
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