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Yanka [14]
3 years ago
11

25 POINTS!!!!!

Mathematics
1 answer:
vfiekz [6]3 years ago
5 0
The Answer is what the person said above!! Have a nice day!!
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Solve the system of equations using the elimination method. 1.Solve {x + 3y = -15
shutvik [7]

An equation is formed of two equal expressions. The solution is (-9,-2).

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Given the equation x + 3y = -15 and -3x + 2y = 23,

Step 1- Multiply the equations to make the coefficients match in either the x- or y-variable.

x + 3y = -15

3x + 9y = -45

Step2- After you multiply, add or subtract the two equations.

3x + 9y -3x + 2y = -45 + 23

Step 3- Then solve for the variables that is left.

11y = -22

y = -2

Step4- Substitute the value of y in any one of equations to solve for x.

x + 3(-2) = -15

x - 6 = -15

x = -9

Hence, The solution is (-9,-2).

Learn more about Equation:

brainly.com/question/2263981

#SPJ1

5 0
2 years ago
The blue dot is at what value on the number line?
Paladinen [302]

Answer: 1

Step-by-step explanation: it goes -7 -5 -3 -1 1

8 0
3 years ago
I need help on #12 please
Svetach [21]
I think it's 330 I don't really know
7 0
3 years ago
Hi!! please answer he questions below using inverse operations! (if you show work i will give you brainiest!)
solniwko [45]

Answer:

13) 90-18 = 72

14) 108/9 = 12

15) 66+34 = 100

16) 7*8 = 56

Step-by-step explanation:

All you need to do is take the second term of each equation and move it to the other side. So for number 16 we just need to move the 8 from the left to the right. This is as simple as multiplying both sides by 8 to get:

8*(56/8) = 8(7)

     |

    V

56 = 8*7

And that would be the answer to number 16!

5 0
3 years ago
Total
Semmy [17]

Answer:

IBHBHIBH

Step-by-step explanation:

HBHBJBHKJ

7 0
3 years ago
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