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

Ryan's annual salary is $54,000. A total of $15,340.80 will be deducted for taxes and health insurance. He will receive his paycheck monthly in 12 equal install

Thank you for your help please help thanks

Find simple interest Principal=rs 4000Time :2rate of interest :10%

If you had a coupon for $0.50 off the price for one of your items, would this change your answer for which is a better buy? Give an example

What is the quotient of 7.14 x 10^7 and 4.2 x 10^3 expressed in scientific notation?

a) Briefly explain ONE argument that supports the view that the Spanish-American War was caused by humanitarian concerns. b) Briefly explain ONE argument that s

For critical thinkers, the best way to deal with group pressure is to:

Suppose that a 10-mL sample of a solution is to be tested for I− ion by addition of 1 drop (0.2 mL) of 0.13 M Pb(NO3)2. What is the minimum number of grams of I

Make a title about the short paragraph and write a statement that is your own opinion about the paragraph

Make a title about this short paragraph and write a statement that is your own opinion about the paragraph