Hiya229642 Hiya229642
  • 27-01-2015
  • Mathematics
Answered

3x-7y=6
2x+7y=4
Solve by elimination

Answer :

konrad509
konrad509 konrad509
  • 27-01-2015
[tex]3x-7y=6\\ \underline{2x+7y=4}\\ 5x=10\\ x=2\\\\ 3\cdot2-7y=6\\ 6-7y=6\\ -7y=0\\ y=0 [/tex]
Answer Link
naǫ
naǫ naǫ
  • 27-01-2015
[tex]3x-7y=6 \\ \underline{2x+7y=4} \\ 3x+2x=6+4 \\ 5x=10 \ \ \ |\div 5 \\ x=2 \\ \\ 3x-7y=6 \\ 3 \times 2-7y=6 \\ 6-7y=6 \ \ \ |-6 \\ -7y=0 \ \ \ |\div (-7) \\ y=0 \\ \\ (x,y)=(2,0)[/tex]
Answer Link

Other Questions

is 720 and 007 equivalent numbers
17 is 40 percent of what number
What the relationship between cellular respiration and photosynthesis discuss the function of chloroplasts and mitochondria
how can you use base ten blocks to find 216 divided by 3
how do i solve 16Log6x713
why do you use cubic units and not square units to find the volume of a solid figures
What is Aryan Supremacy mean
Identify the complete adverb clauseSo that you can prepare for the final lets meet in the library to study
A truefalse test contains 18 questions In how many different ways can the 18 question test be answered
935 x 716 x 2021 show work