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blsea [12.9K]
3 years ago
14

Combine the like terms to create an equivalent expression: −2x−x+8

Mathematics
2 answers:
ehidna [41]3 years ago
7 0

Answer:

Step-by-step explanation:

negative 2x minus x would be negative 2 plus postive 8 = 6

larisa [96]3 years ago
6 0

Answer:

Since the "x"'s match you can put them together! so (-2x)-(x)= -3x . When we add/subtract variables like "x" we only subtract/add the numbers in front of the variables and also, a variable by itself is just representing 1 of that variable that's why we can say that x means 1x and we can subtract -2 by 1. Now we are done because there are no more like numbers left we can just leave the expression as --> -3x+8

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HEYY CAN YOU hELP
Gre4nikov [31]

Answer:

10x+3.50=

Step-by-step explanation:Hope this is correct

3 0
2 years ago
Read 2 more answers
A zookeeper weighed an African elephant to be 9x10^3 pounds and an African lion to be 4x10^2 pounds. How many times greater is t
maria [59]
Answer:  22.5 .  The weight of the elephant is "22.5 times greater" than                              the weight of the lion.
_________________________________________________________
Explanation:
_________________________________________________________

(weight of lion) * (x) = (eight of the elephant)  ;  Solve for "x" .
_____________________________________________________
   → Divide each side of the equation by "(weight of lion)" ;
  to isolate "x" on one side of the equation ; and to solve for "x" ;
_________________________________________________________
    
   → (weight of lion)*(x) / (weight of lion) = (weight of the elephant) /
                                                           (weight of lion) ;
________________________________________________________
     →  x  = (weight of the elephant) / (weight of lion) ;
__________________________________________________________
     →  Plug in our "given values" ; and solve for "x" ;
__________________________________________________________
     →  x = (<span>9*10</span>³) / (4*10²) =  (9*10⁽³⁻²⁾) / 4  =  (9*10¹) / 4  ;
__________________________________________________________  
     →  x =  90 /4 = 25/2  = 22.5 ; which is our answer.
__________________________________________________________
4 0
3 years ago
Explain your answer​
N76 [4]

x is equal to - 2/3 after collecting like terms

5 0
3 years ago
Calculate the size of each interior angle of a regular polygon with 14 sides
Ierofanga [76]

Answer:

154.285

Step-by-step explanation:

The sum of the interior angles of a 14-gon = (14-2)*180 = 2,160 degrees. There are 14 vertexes (vertices) for a 14-gon. It is 'regular' so all these angles are equal. By dividing 2160 (sum of all angles) by 14 (total amount of angles) we can see how much each angle is worth. So the interior angle of each is 154.285 degrees.

4 0
3 years ago
ravis gas tank is 1/2 full .after he buys 2 gallons of gas it is 2/3 full how many gallons can ravis tank hold?
aliya0001 [1]
So
1/2x+2=2/3x
convert to common fraction
1/2=3/6
2/3=4/6
3/6x+2=4/6x
subtract 3/6x from both sides
2=1/6x
multiply boh tisdes by 6
12=x
the tank can hold 12 gallon

8 0
3 years ago
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