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Mathematics 13 Online
OpenStudy (anonymous):

What is the solution to the system of equations? 4x+y=2 x-y=3 ( , ) please help

pooja195 (pooja195):

use the x and y intercept

pooja195 (pooja195):

4x+y=2 so substitue the x for 0 and you get -y=3 divide it and you get -3

OpenStudy (anonymous):

Solve for one variable, then solve for the other

pooja195 (pooja195):

so y=-3

pooja195 (pooja195):

Then do the same for the first one 4x+y=2 sub the y for 0 and divide by 4

pooja195 (pooja195):

your answer should be a fraction any idea on what it is?

OpenStudy (triciaal):

one easy way to do this is to find an expression for one of the variable using equation 1 then using equation 2 find the expression for the same variable set the expressions equal then solve for the one variable in that equation. using this value substitute in either of the original to get the other value. for this problem find y =

OpenStudy (anonymous):

no idea to be honest @pooja195

pooja195 (pooja195):

you can use a calculator and you get 1/2 :)

OpenStudy (triciaal):

try my suggestion

OpenStudy (anonymous):

thank you so much :) @pooja195

pooja195 (pooja195):

anytime :) let me know if you need help also WELCOME TO OPENSTUDY!! feel free to message me don't hesitate :)

OpenStudy (triciaal):

when you solve a system of equations you are finding the values of both x and y that satisfy each equation at the same time.

pooja195 (pooja195):

i said that :)

OpenStudy (triciaal):

simultaneous means at the same time

OpenStudy (triciaal):

@pooja195 ( , )means to put the x and y values your answer of a fraction is also incorrect

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