faireu faireu
  • 23-10-2014
  • Mathematics
contestada

How do you solve: 11a=18a+21 ?

Respuesta :

ZackFry
ZackFry ZackFry
  • 23-10-2014
11a = 18a + 21
11a - 18a = - 18a + 21
-7a = 21
7a = -21
a = -21/ 7
a = -3
Answer Link
DemTrolls DemTrolls
  • 23-10-2014
Ok, the points is to isolate the variable "a". First, you subtract 18a from both sides to remove the 18a from the right side, ending up with -7a = 21. Dividing both sides by -7, you will end up with a = -3. Answer: a = -3
Answer Link

Otras preguntas

A baseball player reaches base 35% of the time. How many times can he expect to reach base in 850 at-base?
Our galaxy contains roughly 250000000000 stars. How many billion is this?
Which group of intellectual women established literary clubs of their own around 1750 under the leadership of Elizabeth Vesey and Elizabeth Montagu? a) the Behn
what forces led to the rise of the mongols?
How do you simplify 11c + 3(-5c + 4d)?
When the perimeter of a rectangle is 68ft. and the ratio of it's length to it's width is9:8. What are the dimensions of the rectangle and how do you come about
I am so confused on functions! Please help!
I have been stuck on this question and i would like to know how to solve it ? A mother horse and a baby horse walk 10 miles from point A to point B. The mother’
sin 48,59 = 0,75, maka cos 138,59 =
i need help writing an equation from a graph