SOLUTION: what's 4x+3y=10 y=2x in sustitution method?? plz answer asap!!1 thnxx

Algebra.Com
Question 569457: what's
4x+3y=10
y=2x
in sustitution method??
plz answer asap!!1
thnxx

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
(1)
(2)
Substitute (2) into (1)
(1)
(1)
(1)
(1)
and, since
(2)
(2)
(2)
So, the solution is ( 1,2 )
Here's a plot of the lines

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