aboy aboy
  • 22-09-2015
  • Mathematics
contestada

6r+7=13+7r help plz linear equations

Respuesta :

WorldCitizen WorldCitizen
  • 04-10-2015
Well, let's put all the "r"s on one side, alone:

6r-7r=13-7 //you can put the expressions on the other side of the equation if you change the sign

now we add up:

-r=6

now we multiply both sides by (-1):

r=-6

which is the solution!
Answer Link

Otras preguntas

The area of a rectangle is 600 m² the width is 30 m what is the length
What can you conclude about DB?
(2+3i)+2i(2+3i) simplified
HELP! THIS IS DUE TODAY/TONIGHT! Please don't waste my points or time, I need real answers.
How does an Inuit go fishing in the Arctic Ocean? O A) from a kayak OB) right off the shore OC) cut holes in the ice OD) using nets and boats
A B C or D helping hand
Determining which goods or services will help solve the identified problem and comparing the available alternatives describes which of the five stages of decisi
Find the output, y, when the input,x, is 6. y=
An extracellular fluid concentration imbalance (also known as a water imbalance) can be detected by changes in the serum sodium level. True Tony False
an electrical circuit in which the value of resistance is equal to (6 ohms) and the intensity of the current passing through it is (3 amps) the voltage differen