nykelahoward nykelahoward
  • 22-02-2017
  • Mathematics
contestada

Solve for r and t:
6r - 3t = 6
6r + 8t = -16

Respuesta :

abdulla2001
abdulla2001 abdulla2001
  • 22-02-2017
multiply the first equation with (-1)
you should get this

-6r + 3t = -6
6r + 8t = -16

start to eliminate

11t = -22

divide by 11

t = -2

substitute 

6r - 3(-2) = 6
6r + 6 = 6
6r = 6 - 6
6r = 0 
r=0
Answer Link

Otras preguntas

In the Compromise of 1877, Hayes was elected President agreeing to: ​
n^3=7. what does n equal?
are there glitches for getting points on brainly?
drag and drop the numbers into the table to complete the table of values for the equation y = 2x + 7
What two factors help determine a work's success to an art historian?
Which one is correct? A)It's more commonly used. B)It's used more commonly. C)A and B are both correct.
Read the picture and write how are convergent boundaries formed?please please please please please please please please answer the question fast it s important
Please Help Quick ASAP HURRY I NEED THE ANSWER ASAP HURRY Match the following principles of design with their correct definition.
What is the ratio of 11 inches to 3 feet? (Change the feet to inches.) Group of answer choices 11:36 36:11 3:11 11:3​
find the value of x. x=​