ttneedshelp1
ttneedshelp1 ttneedshelp1
  • 02-03-2017
  • Mathematics
contestada

how do i solve 5x-9y=-17 and 5x+3y=19 in elimation

Respuesta :

wolf1728
wolf1728 wolf1728
  • 02-03-2017
A) 5x -9y = -17
B) 5x +3y = 19
If we multiply equation A by -1

A) -5x +9y = 17 then add it to B)
B) 5x +3y = 19
12y = 36
y = 3
we have eliminated the "x" term.

Answer Link

Otras preguntas

red light from a He-Ne laser is at 590.5 nm in the air. it is fired at an angle of 31.0 to horizontal at a flat transparent crystal of calcite (n= 1.34 ar this
Benefits of trade for ancient China I need 3 benefits, and a source that tells me the benefits. I'll give the first person to give a GOOD answer brainliest!
Il s'appelle Laurent. Qui est Laurent? O Comment s'appelle ton amie? Comment s'appelle ton ami? O Qui est-ce?
The ratio of A's to B's on the last test was 3 to 4. If there was 12 A's . how maby B's were there?​
define and describe the human rights violation of xenophobia​
how do I say I will in French
answer any one: write a computer program:​
PLEASE HELP!!!!!!!!!! An object's velocity increases, multiplied by a factor of 9. What factor would its Kinetic Energy increase by?
jerry has a water tank that holds 5 gallons of water. jerry drinks 4 pints of water a day. how many full tanks of water will he drink in 30 days?
17 cm 12 cm 5 cm pls help