ohshesdaisy ohshesdaisy
  • 03-11-2016
  • Mathematics
contestada

help please solve for the given variable
-8 (7k - 5) + 7(7k - 7) = 1 - 5k - k - 7

Respuesta :

Azieq
Azieq Azieq
  • 03-11-2016
- 8(7k-5) + 7(7k-7) = 1 - 5k - k - 7
- 56k + 40 + 49k - 49 = 1 - 6k - 7
13k = 3
k = 3/13

i am a mathematics teacher. if anything to ask please pm me
Answer Link

Otras preguntas

What were some things settlers hoped to find in the New World?
simplify the square root of 9 ÷ by the square root of 25
Jim has a total of 12 coins. Some of them are nickels, and the others are quarters. If he had 12 more nickels, then the value of the nickels would be the same a
The cell membrane of a red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. Since other substances are blocked from coming in,
Help please! My maths unfortunately... Does anyone know how I would answer this? I just simply do not know what 'describe each reflection' means. Erm? The shape
What prevents a plant cell from bursting when it's full of water?
what is the square root of 112
Why dose yellow river have that nick name?
is 14.5% equivalent to the decimal 14.5
The leader of the Mongols is called what