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3 years ago

You are given the linear expression 12x + 18y +26.

Mathematics

1 answer:

Viefleur [7K]3 years ago

4 0

Answer:

Step-by-step explanation:

It would be A you want to add everything you can together first and then do the rest.

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Solve the system of equations using elimination/combinations-2x -y = -4 x + 2y =5

sweet-ann [11.9K]

Answer:

x = 1, y = 2

Step-by-step explanation:

In the elimination method to solve a system of linear equations, one of the two equations is added/subtracted to the other, in order to eliminate one variable from the equation.

In this problem, we have the following two equations:

$-2x-y=-4\\x+2y=5$

To solve the system, first we multiply by 2 both sides of the second equation, and we get:

$2(x+2y)=2(5)\\2x+4y=10$

So now the system is

$-2x-y=-4\\2x+4y=10$

Now we add the two equations, and we get:

$(-2x+2x)+(-y+4y)=(-4+10)\\3y=6$

So, we get

$y=\frac{6}{3}=2$

Now we can substitute this value of y into the eq.(2), and we get:

$x+2y=5\\x+2(2)=5\\x+4=5\\x=5-4=1$

3 0

3 years ago

Which of the following properties is a property of a trapezoid?

garri49 [273]

C. I think I’m not totally sure but I think that’s right

6 0

3 years ago

Read 2 more answers

What is the variable of 1 + 4i = 5i + 10

andrew11 [14]

Answer:

i = -9

Step-by-step explanation:

4i-5i =10 -1

-i= 9

i=-9

6 0

3 years ago

Which expression is equivalent to 5x+10y-15?

Papessa [141]

Answer:

Step-by-step explanation:

I think it's 5(x+2y-3)

5 0

3 years ago

The square root of 1000 is between

asambeis [7]

Answer:

the square root of 1000 is 31.6227766017

Step-by-step explanation:

BRANIEST

6 0

3 years ago