mishacollinstwi
mishacollinstwi mishacollinstwi
  • 03-07-2018
  • Mathematics
contestada

What value of r makes –6r + 2(r + 2) – 5 = -20 true?

Respuesta :

Аноним Аноним
  • 03-07-2018
Hello!

To find the answer we need to solve for r. First we undo the parentheses.

-6r+2r+4-5=-20

Now we combine like terms.

-4r-1=-20

We add one to both sides.

-4r=-19

Divide both sides by -4.

r=4.75

I hope this helps!
Answer Link

Otras preguntas

how can you use number patterns to find the least common multiple of 120 and 360
Tina bought some nail polish and lip gloss at the store. The nail polish cost $4.50 per bottle and lipgloss cost $7 per tube. Tina bought 9 items and spent $50.
36/b-3=0 find the solution of this equation.
There are 21 students  in Mr.Tentlers  class The students divided themselves evenly  into 3 groups.how many  students  are in each  groups?
What is the value of the digits 4 in the number 84,230
Rename the number 24 ten thousands
You will be helping Galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum.
what is the 29th sequence in the triangular number sequence a.k.a the pascals sequence
Please help for answer 56/125-177/625=
If one paper clip has the mass of 1 gram and 1,000 paper clip have a mass of 1 kilogram, how many kilogram are 8,000 paper clip