igotmyhaters56p7prkn igotmyhaters56p7prkn
  • 25-04-2018
  • Mathematics
contestada

what is the first step in solving, 3x - 12y=5 3y -x=9, using the elimination method

Respuesta :

ag6567
ag6567 ag6567
  • 25-04-2018
3x-12y = 5
-x+3y = 9

First step is to make the coefficient of either x or y same.

3x-12y = 5
(-x+3y = 9)3

3x-12y = 5
-3x+9y = 27

-4y = 32
y = -8
Answer Link

Otras preguntas

is 100 MG less than 10g
Why is there a greater variety of compounds than of elements and atoms?
An offspring will have both the traits of the mother and father. Why?___________
what is v = Iwh for I
during the enlightenment era what did both ancients and moderns believe was a dependable guide to human thinking
A family has 8 girls and 4 boys. A total of 2 children must be chosen to speak on the behalf of the family at a local benefit. What is the probability that 1 gi
Why is synthetic resin preferable to natural resin?
The speed of a space shuttle orbiting the earth is 28,325mph. How many miles does the space shuttle travel in 5 days?
A package of modeling clay was shaped like a cone with a radius of 25 cm and a height of 7.2 cm. Miriam used all the clay to make a cylinder with a radius of 15
what is 5 4/5 simplified