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DerKrebs [107]
3 years ago
8

Simplify (3x + 5) + (2x-9) - 14

Mathematics
1 answer:
zalisa [80]3 years ago
6 0

Answer:

<h2>5x-18</h2>

Step-by-step explanation:

lets simplify!

(3x+5)+(2x-9)-14

combine like terms..

5x+ -4 - 14

subtract numbers without exponents

therefore, the answer is

5x-18

hope this helps:)

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Joe ate 80% of a pepperoni pizza. what fraction of the pizza did he ate ? A.2/25 B. 1/8 C. 1/80 D.1/5 E.4/5
Mila [183]

Answer:

Most likely D.

Step-by-step explanation:

Makes the most sense.

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3 years ago
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pishuonlain [190]
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8 0
3 years ago
2(x-5) + 3y + 12 - y
Arturiano [62]

Answer:

2(x+y+11)

Step-by-step explanation:

2(x+5)+3y+12−y

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2x+10+3y+12−y

Add 10 and 12 to get 22.

2x+22+3y−y

Combine 3y and −y to get 2y.

2x+22+2y

3 0
3 years ago
Read 2 more answers
PLEASE HELP QUICK! 3rd time posting! I'M OFFERING 30PTS &amp; BRAINLIEST ANSWER (Its only worth 10pts) I just need this done PLE
Vladimir [108]
A.) To find the perimeter, add two lengths and two widths.
length= 3x+7
width= 2x-3
3x+7+3x+7+2x-3+2x-3
Combine like terms
you end up with an expression like this:
14x+8 cm

B.) Plug in 4 for x into the new expression:
14(4)+8
perimeter=64 cm

C.)When multiplying polynomials, it's just like normal multiplication, except remember to add the exponents.
3x*2x=6x^2
7*-3= -21
So, the new expression is:
6x^2-21 cm squared
D.) Again, plug in the 4 for x.
6(4^2)-21
4*4=16
16*6=96
96-21=75
Area=75 cm squared
E.) If the length is 5 cm longer:
Remember, the length is 3x+7
So, just add 5 to the expression.
7+5=12
The new expression is:
3x+12
Then, add that like you did before.
3x+12+3x+12+2x-3+2x-3
New expression:
Perimeter=10x+18 cm
6 0
3 years ago
In the equation 3(x-1)=2x+c for what value of c will x=3? explain your reasoning.
sineoko [7]

Answer:

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Step-by-step explanation:

6 0
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