3 years ago

-13r + -4r + 14r -9 =-15

Mathematics

2 answers:

deff fn [24]3 years ago

8 0

Answer:

Step-by-step explanation:

-13 x 2 = -26

-4 x 2 = -8

14 x 2 = 28

-26 + -8 + 28 +-9 = -15

have a nice day and mark me brainliest! :)

Len [333]3 years ago

6 0

Answer:

-13r+ - 4r+ 14r - 9= -15

-17r+14r=-3r

-3r -9 =15

-3r=15+9

-3r=24

Divide both sides by -3r

r = -8

You might be interested in

What are the zeros of (x-2)(x^2-9)

WARRIOR [948]

$(x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}$

3 0

3 years ago

A street sign is 8ft 1 inch tall. How tall is it in inches?

xxTIMURxx [149]

Answer:

Step-by-step explanation:

8*12=96+1=97

There are 12 inches for every foot.

5 0

3 years ago

Read 2 more answers

What is 6/6 equivalent to

Naddika [18.5K]

Answer:

1 whole

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

-k=7<br>what is k equal to

kifflom [539]

-k=7

divide each side by -1

-k/-1 = 7/-1

k = -7

3 0

3 years ago

Read 2 more answers

Please answer these 5 questions ill give brainliest and give more points after you answer

givi [52]

Answer:

go to the skating rink

Step-by-step explanation:

if multiply 5x 7 you get 35

If you add 35+15 you get 50 which is the amount of money you have. So if you chose the bowling ally you could bring 7 friends

but is you multiply 3x10 that equals 30

Add that by 20 and you get 50

let me know if its right

3 0

3 years ago