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Oxana [17]
3 years ago
11

15-a=20 what value would make this true

Mathematics
2 answers:
STALIN [3.7K]3 years ago
6 0

Answer:

-5

Step-by-step explanation:

15-(-5)=20

5 turns into a positive

15+5=20

sergejj [24]3 years ago
5 0

Answer:

a = -5

Step-by-step explanation:

15 - a = 20

Move the constant of 15 to the other side by subtracting it.

-a = 5

Divide by -1 to make a positive.

a = -5

Check.

15 - (-5) = 20

15 + 5 = 20

20 = 20

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What value of x makes this statement true?<br> 3x=2x+12<br><br> A) 2<br> B) 5<br> C) 6<br> D) 12
vekshin1

Answer:

The value of x = 12, makes the statement 3x=2x+12  true

Option D is correct option.

Step-by-step explanation:

What value of x makes this statement true?

3x=2x+12

We need to solve the equation to find value of x

3x=2x+12

Subtract 2x on both sides

3x-2x=2x+12-2x\\x=12

So, the value of x is: x=12

So, The value of x = 12, makes the statement 3x=2x+12  true

Option D is correct option.

4 0
2 years ago
Somebody pls help ASAP!
LenaWriter [7]

Answer:

Perpendicular

Step-by-step explanation:

If you look at the image, it shows a rectangular prism. The line CD is next to the line AD. It is perpendicular because someone could draw a right angle where the lines CD and AD meet.

I Hope That This Helps! :)

6 0
2 years ago
Help this is do in 5 minutes
IrinaVladis [17]

Step-by-step explanation:

<1 and <2 are adjacent, Supplementary and linear pair angles

6 0
3 years ago
Read 2 more answers
How are the step by step math problem suppose to be for this math problem (-2-8)^2?
Sidana [21]

Answer:

the answer is 100

Step-by-step explanation:

(-2-8)^2

(-2-8)(-2-8)

-2(-2-8)-8(-2-8)

4+16+16+64

20+80

100

6 0
3 years ago
How do you solve the equation:
Molodets [167]
Copy and paste the answer on quizlet
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