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AnnZ [28]
3 years ago
7

X + 8 = -6 need this asap ty

Mathematics
2 answers:
iragen [17]3 years ago
5 0

Answer:

X = -14

Step-by-step explanation:

Leno4ka [110]3 years ago
4 0

Answer:

Solution given:

x+8=-6

x=-6-8=-14

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Choose the correct equation type for each system.
Lunna [17]

Answer:

Inconsistent= 1, & 3

Equivalent= 2&6

Consistent= 4&5

Step-by-step explanation:

Equivalent means both sides of the equation has similar results

Consistent means the equation has an order pair of x, y that make it true

Inconsistent means impossible to solve using a set of values for the variable

1. y=3x-2

  3x-y=4----------------make y subject of equation as 3x-4=y

Equate the two equation

y=3x-2

y=3x-4

3x-2=3x-4---------------collect like terms

3x-3x=-4+2

0=-2---------------inconsistent

2. 1/2 y=-x+5------------multiply by 2 both sides to have y=-2x+10

    2y=-4x+2

we have

y=-2x+10----------------------use y in this equation in the second equation

2y=-4x+20

2(-2x+10)=-4x+20

-4x+20=-4x+20----------------Equivalent

3. y=-x+4----------------use this in the second equation as

   x=-y-6

x= - (-x+4)-6

x= x-4-6

x=x-10--------------collect like terms

x-x= -10

0= -10--------------inconsistent

4. y=4x+2

   y=6x-10-----------equate the two

4x+2=6x-10----------collect like terms

4x-6x=-10-2

-2x=-12

x=6---------------------use to find y

y=4(6)+2=24+2=26

(x,y)=(6,26)---------consistent

5. y=2x+1

   y=-2x+3

Equate the two equation

2x+1=-2x+3-------------collect like terms

2x+2x=3-1

4x=2

x=1/2----------use to find y

y=2 *1/2 +1 =1+1=2

(x,y) = (1/2, 2)---------------consistent

6. -2x +5y=0

   y=2/5x-------------------use this in the first equation

   -2x + 5(2/5 x)=0

   -2x+2x =0

0=0-----------------------Equivalent

 

5 0
3 years ago
Work out the y-intercept of the line going<br> through (1, 2) with a gradient of 3
Tasya [4]

I think we need a coordinate grid for that,,

4 0
3 years ago
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Anna has a collection of 45 nickels and quarters worth $8.05. How many nickels does she have?
madreJ [45]
It could be 1, I'm not really sure
3 0
3 years ago
WHAT IS 300 DIVIDED BY 200
DerKrebs [107]

Answer:

3/2 or 1.5

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
The sum of two numbers is fourteen. One number is two less than three times the other. Find the numbers.
Margarita [4]
So, for the first variable, you would use x, and for the second, y. Then, you would write out 2-(3y)=14. once this is done, youd simplify to 2-3y=14. Subtract 2 from both sides to get 3y=12. Then, divide both sides by 3. this will leave you with y=4. From this you can see the other number is ten. Hope this helped! and i apologize if it is incorrect!
7 0
3 years ago
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