savage999
savage999 savage999
  • 24-01-2018
  • Mathematics
contestada

solving systems by elimination with multiplication: 8x+7y=20 and 4x-4y=-20

Respuesta :

Tessa014
Tessa014 Tessa014
  • 24-01-2018
if you put 0 in the place of x or y, which every one you choose, it will cancel it or and you can just divide the number next to it by the answer (-20, 20). Take it one step at a time, don't try to do both at the same time.
Answer Link

Otras preguntas

Help me please jem boy wants to make his 8-meter square pool into a rectangular one by increasing its length by 2m and decreasing its width by 2m .jem boy asked
You want to determine if one peak is steeper than another peak, based on a topographic map. What would you see on the steeper peak?
Short Essay On Rainy Season In India
A 430 g football is lying on the ground, then is kicked and is moving at 25 m/s. If the duration of the impact was 0.0010 s, what was the average force on the b
find the zeros of y=x²-1 from a graph.
what is the difference between a moth and a butterfly?
You want to determine if one peak is steeper than another peak, based on a topographic map. What would you see on the steeper peak?
6.___He journeyed to the court of the great Kublai Khan, returning to Europe after seventeen years.
A 430 g football is lying on the ground, then is kicked and is moving at 25 m/s. If the duration of the impact was 0.0010 s, what was the average force on the b
what are the kinds of formulas to remember in 8th grade?