Jarobjent Jarobjent
  • 21-01-2015
  • Mathematics
Answered

Find the point of intersection of the lines 3=6x-y and 3x-2y=24 ?

Answer :

luana
luana luana
  • 21-01-2015
[tex] \left \{ {{3=6x-y\ \ |*(-2)} \atop {3x-2y=24}} \right. \\\\ \left \{ {{-6=-12x+2y} \atop {24=3x-2y}} \right. \\+----\\add\ both\ equations\\\\ 18=-9x\ \ \ | divide\ by\ -9\\\\ x=-2\\\ y=6x-3=6*(-2)-3=-12-3=-15\\\\ Point\ of\ intersection:\ (-2,-15)[/tex]
Answer Link

Other Questions

How to do mixture word problemsLike A restaurant sells large and small sub sandwiches Rolls for the sandwiches are ordered from a baker The roll for a large san
Which ruler was defeated at the battle of Salamis A Philip of Macedonia B Pericles of Athens C Leonidas of Sparta D Xerxes of Persia A
Which explanation best explains the role of enzymes as catalysts in living systems
What are 3 pictures of things that begin with the same sound as net
how do change 6625 into fraction
if i have 8 pencils that cost 14 dollars what is the unit rate
HELP PLEASE SOME ONE HELP ME PLEASEEEEEEEEEEThe manager of a sawmill wants to find out what percentage of the boards that the mill produced are defective Which
will the opposite of zero always sometimes never be be zero explain your reasoning
Which is lowest Brand A 240 mg sodium for 13 pickle or Brand B 325 mg sodium for 12 pickle
701 k 523 km 445 m