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Georgia [21]
3 years ago
9

Solve the linear equation by using substitution X-y=-4 3x-y=-10

Mathematics
1 answer:
svetoff [14.1K]3 years ago
7 0

Answer:

(-3, 1)

Step-by-step explanation:

x-y=-4

3x-y=-10

------------

y=x-(-4)=x+4

3x-(x+4)=-10

3x-x-4=-10

2x-4=-10

2x=-10+4

2x=-6

x=-6/2

x=-3

-3-y=-4

y=-3-(-4)=-3+4=1

x=-3, y=1. (-3, 1).

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after completing a fraction division problem, Clarice used multiplications to check her answer division could Clarice verify her
anzhelika [568]

Answer:hope this helps

Step-by-step explanation:

First you multiply the number of what you r multiply by if that makes sense then get the quotient of ur answer and multiply that if you a reminder if it is not a decimal add that to your mutilation

U multiply first then add ur answer of the remainder

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5 0
3 years ago
72-2x=86-3x solve for x
SpyIntel [72]

Answer:

x=14

Step-by-step explanation:

1.subtract 72 from 86

2. add 3 to -2

3. get the X on one side

6 0
3 years ago
To one-one functions g and h are defined as follows.
Andreyy89

Answer:

  • 9
  • (x-8)/3
  • -1

Step-by-step explanation:

The inverse function for a set of ordered pairs can be found by swapping the x- and y-coordinates in each pair.

  g^{-1}(-1)=9\qquad\text{from the $g(x)$ ordered pair $(9, -1)$}

__

The inverse of a function expressed algebraically can be found by swapping the x- and y-variables and solving for y.

  h^{-1}(x)\qquad\text{is found from }x=h(y)\\\\x=3y+8\\x-8=3y\\\\y=\dfrac{x-8}{3}\\\\\boxed{h^{-1}(x)=\dfrac{x-8}{3}}

A function of its own inverse returns the original value:

  \boxed{\left(h\circ h^{-1}\right)(-1)=-1}

6 0
3 years ago
Please help me !! HELP ASAP! THANK U
stiks02 [169]

Answer:

The answer is 1,028!

Step-by-step explanation:

Add them together. $699 + $329 = $1,028

3 0
3 years ago
Read 2 more answers
What is the value of the expression 22 + 82 ÷ 22?<br><br> 8<br><br> 10 <br><br> 17 <br><br> 20
Aleonysh [2.5K]

None of the answers in my opinion is correct This is because if we try solving this expression we obviously first have to apply bodmas rule which states that brackets should be solved firstly and then division, multiplication, addition and then subtraction.

So if we apply bodmas here we will first do 82 / 22 which come out to be 3.72 and then we will add 22 to 3.72 which becomes more than 20 obviously which is the largest options in the answer. Hence all options are incorrect.

4 0
4 years ago
Read 2 more answers
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