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

did dinosaurs really have brains in their tails?
In the given figure , if angel ROQ = 90 and angel POS : angel ROS = 4 : 5 , then the value of angel SOQ is
which one of the following sentence contains a predicate adjective
in the given figure , the value of x is
16. The spreading of sound waves around openings in barriers is called A. reverberation. B. an echo. C. diffraction. D. refraction.
1. (k+7)² =2892. (2s-1)² =2253. (x-4)² =169please help me answer these :)
Argue your support for the North to include accurate details about causes and effects of the war and your reasons for fighting for the Union. Describe how the o
why does alaska have really long days during some times of the year and really short days during other times?
1 pound = 100 penny = 10 penny x 10 penny = 1/10 pound x 1/10 pound = 1/100 pound = 1 penny => 1 pound = 1 penny How is this possible if 1 pound = 100 pen
If the supplement of an angle is two-third of itself ,then its supplement is