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WINSTONCH [101]
3 years ago
13

Clark has 20 trading cards and he buys (p) trading cards from the store. He gave his friend Jenny (k) trading cards as a gift fo

r her birthday. How many trading cards does Clark have left.
Mathematics
1 answer:
NikAS [45]3 years ago
5 0
(20 + p) - k = how many cards he has left
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3x + 2 =11 (solve for x)
torisob [31]

Answer:

x=3

Step-by-step explanation:

first let's try to get just 3x on one side. to do this we can subtract 2 from both side of the equation.

3x+(2-2)=11-2

3x=9

now we have to isolate the variable we can divide both sides by 3:

3x/3=9/3

x=3

and you get the answer that x is 3

4 0
3 years ago
The sum of two rational numbers is -8 1/4. if one of the numbers is -5 2/3, find the other number. im too lazy to do this
Nataly [62]

Answer:

Step-by-step explanation:

let : x and t this numbers : x +y = -81/4

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x + (-52/3) = -81/4

x = -81/4 + 52/3........continue

4 0
3 years ago
The sum of a number x and 5 equals 14.
Fudgin [204]
Sum means addition so the equation is x+5=14

To get the answer, just do 14-5 and the answer is 9
4 0
3 years ago
A pine tree grows about 18 inches per year. After how many years will the tree be 90 inches tall? [Type your answer as a number.
Monica [59]

5 years because when you divide 90 by 18 to get how many years it takes the tree to grow to 90 inches tall, you get 5.

3 0
3 years ago
Thank you so much for your help
lana [24]

Answer:

1.1x

Step-by-step explanation:

that is the procedure above

4 0
3 years ago
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