hfanaika hfanaika
  • 02-07-2017
  • Mathematics
contestada

Solve
p=3r-8 and 2r-p=22

Respuesta :

ARYANAGARWAL ARYANAGARWAL
  • 02-07-2017
3r-p=8 ........... 1
2r-p=22 .......... 2

Subtracting both the equation we get,
r = -14

Substituting 'r = -14' in any one equation (lets say equation 1) we get,
3(-14) - p = 8
-42 - p = 8
-42 - 8 = p
p = -50
Answer Link

Otras preguntas

Gauss-Jordan Elimination
what is the unemployment rate if labor force is 157 and 16 people are unemployed A 10.2% B 11% c 13.7%.
Each drop-down menu has an option of proportional or non proportional. Thanks in advance (:
How can a chemical equation be written from an observed chemical reaction?
Why is a characteristic of dramatic point of view?A. It uses the pronouns / and me.B. It develops the main character very thoroughly.C. The narrator cannot tell
On the way to the lake you stop at a nearby shop to buy some food and drink. You pick up a 1.5 litre bottle of water. One friend picks up a 200 cl bottle. Ano
which process in the water cycle occurs when water absorbs heat energy​
If gas is 50 miles per gallon and I need 171 miles to my destination how many gallons of gasoline do I need?
if you must enjoy the startup stage of business, you may consider selling when you reach the ____ stage, and plan to start another business. a.mature b.stabili
PLEASE HELP ME!! . . Not sure how to do thisssss