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y=4x
x+y=5

Help me get the answer


Sagot :

Thompzacidn
To solve this first we need to get are chunk which is already solved for here as
Y=(4x) so one the chunk side of this we dont have to solve for it, so now we can just skip right to solving this equation like so. First input the numbers x+(4x)=5,
Distribute/Combine like terms in this case
5x=5
Divide by 5
x=1
So now that we have x we can plug it into are chunk and then we have are answer
Y=(4x)
Y=(4*1)
Y=4
So are end answers are [tex] \left \{ {{y=4} \atop {x=1}} \right. [/tex]
Enjoy!=)
{ y = 4x
{ x + y = 5

y = 4x  ----> Substitute y for 4x in the 2nd equation:

x + y = 5
x + 4x = 5
5x = 5
x = 5
      5
x = 1

x = 1 ----->  Substitute x for 1:

y = 4x
y = 4 . 1
y = 4

S = { 1 , 4 }

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