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cluponka [151]
3 years ago
5

Can I combine “2x” and “-4x” because they both have x or can I not because ones positive and ones negative?

Mathematics
2 answers:
Vikki [24]3 years ago
7 0

Answer:

You can combine 2x and -4x even though one is negative. Just subtract 4 from 2 to get -2x. :)

Step-by-step explanation:

Harlamova29_29 [7]3 years ago
6 0

Answer:

You can because you would be combining like terms.

Step-by-step explanation:

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Solve the system of equations and choose the correct ordered pair. 
chubhunter [2.5K]
Multiply first equation by 8, 
24x + 40y = 352
Multiply second equation by 3, 
24x - 21y = -75

Now, subtract second from 1st, 
61y = 427
y = 427/61
y = 7

Substitute it in very first equation, 
3x + 5(7) = 44
3x = 44 - 35
x = 9 / 3
x =3

In short, Your Answer would be Option D) (3, 7)

Hope this helps!
7 0
3 years ago
(57x2:3)+32x450-[39-(4+2):2[+8=
tigry1 [53]

Answer:

57×2/3+32×450-[39-4+2]/2+8

57×2/3+32×450-(39-6/2)+8

57×2/3+32×450-36+8

57×2/3+14400-28

57×2/3+14372

38+14372

14410

8 0
2 years ago
A dog kennel charges $40 to board a dog for one night and $35 per night each night after that. Henry
Lostsunrise [7]

Answer: 6 nights

Step-by-step explanation:Step-by-step

Minus 40 from 215 then divide it by 35

8 0
2 years ago
One number is 5 more than the other. Their sum is 33. Find the numbers.
dimaraw [331]

Answer:

19,14

Step-by-step explanation:

x=5+y

x+ y= 33

we will solve using substitution

(5+y) +y= 33

5+y+y=33

5+2y=33

subtract 5 from both sides

2y=28

y=14

We got y now we will find what x is

for this, we will substitute y's value (14) into the first equation

x=5+(14)

x=19

we got x too

3 0
2 years ago
Which function is equivalent to y = 3(x + 2)2 + 7?
Tems11 [23]

Answer:

The answer is D

Step-by-step explanation:

I wish i can explan but i got to go, piece

7 0
2 years ago
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