Hersheylover Hersheylover
  • 17-12-2014
  • Mathematics
Answered

What is the substitution of
Y=6x–11
-2x–3y=-7

Answer :

luana
luana luana
  • 18-12-2014
[tex] \left \{ {{y=6x-11} \atop {-2x-3y=-7}} \right. \\\\Subtitute\ first\ equation\ to\ second:\\\\-2x-3(6x-11)=-7\\-2x-18x+33=-7\\-2x-18x=-7-33\\-20x=-40\ \ \ \ \ |:-20\\x=2\\\\y=6\cdot2-11\\y=12-11\\y=1\\\\ \left \{ {{y=1} \atop {x=2}} \right. [/tex]
Answer Link

Other Questions

solid iron has a density of 79 gcm3 Liquid mercury has a density of 136 gcm3 will iron float or sink in mercury
13 Sound waves cant travel through A a solid B a liquid C an elastic material D a vacuum
Which sentence best describes a referendum A A political party holds a primary to choose a candidate for legislative elections B Citizens vote directly on a pro
the creation of carbon monoxide is an effect what is one cause
Jacobs college savings are invested in a bond that pays an annual interest of 62 compounded continuously How long will it take for the money to triple
Find the series shown The equation to use is E63n4 n2 2 5 8 11 15 1 2 5 8 11 1 2 5 8 11 2 5 8 11 14
54 5400 less greater
What are all of the perfect cubes between 100 and 600
Bob has a container with a capacity of 12 quarts He wants to express this capacity in gallons Write a proportion to find the number of gallons of water Bobs con
Which measurement would be least likely to be written in scientific notation the thickness of a dog hair the radius of a period on this page the ounces in a cup