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aleksandrvk [35]
2 years ago
8

What steps do you use to solve y=x+12 and y=-x+17 an unknown number y is 12 more than an u known number x the number y is also x

less than 17 the equations to find x and y are show
Mathematics
1 answer:
Tamiku [17]2 years ago
8 0

Answer:

x=2.5

Step-by-step explanation:

Solve for x in this systems of equations, we already have two values which equal y so half the work is finished for us.

Starting with the equation:

x+12=17-x

Add x to both sides to remove the negative x on the right side of the equation:

2x+12=17

Subtract 12 from both sides to remove the 12 on the left side of the equation:

2x=5

Divide both sides by 2 to cancel out the x coefficient

x=2.5

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Solve the following system : -x + 5y = 8 and 3x + 7y = -2
poizon [28]

-x + 5y = 8

multiply this equation by 3

-3x + 15y = 24

now add it to the other equation  ( elimination)

-3x + 15y = 24

3x + 7y = -2

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

0x  + 22 y = 22

divide each side by 22

y =1


substitute into -x + 5y =8  to find x

-x + 5(1) = 8

-x + 5 = 8

-x =3

divide by -1

x =-3

Answer (-3,1)

Choice A


4 0
3 years ago
Kelsey says that to solve the equation 3x + 6 = 24, the first step should be to subtract 6 from each side of the equation. Dana
NNADVOKAT [17]

Answer:

Kelsey is correct.

Step-by-step explanation:

One of the rules when solving an equation is that you need to isolate the variable, meaning that it just needs to be x by itself. To do that, you would need to start by subtracting 6. If you were to divide by 3 first, the answer would be twice what it should be.

7 0
3 years ago
Every five years in August, the population of a certain city is recorded. In 2010, the city had a population
Ipatiy [6.2K]

Answer:

10,000

Step-by-step explanation:

yes

3 0
2 years ago
Tia measured the daily high temperature in Kats, Colorado for each of the 30 days in April. She then created both a dot plot and
lara31 [8.8K]

*see attachment below showing the dot plot and box plot created by Tia

Answer:

Dot plot

Step-by-step explanation:

In a dot plot, the temperature of a day is represented by 1 dot. There are 30 dots on the box plot shown in the attachment that was made by Tia.

This dot plot display makes it easier to find how many days had a temperature that is higher than 15°.

Thus, from the dot plot, we have:

2 dots representing 2 days having a temperature of 16°C each

2 days also have daily temperature of 17°C

2 days have temperature of 18°C as well, and

1 day has temperature of 19° C.

Therefore, the number of days that had a temperature above 15°C is 7 days.

3 0
3 years ago
Read 2 more answers
PLEASE ANSWER ASAP!!!!
goldenfox [79]

Answer:

she did nothing wrong lowkey

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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