6) What is the solution to a system with equations 8x+2y=20 and -4x+y=2 ?

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Earon asked Jul 25, 2023

354,831 views

44 votes

6) What is

the
solution
to a
system
with
equations
8x+2y=20
and
-4x+y=2 ?

Mathematics
high-school

Earon asked Jul 25, 2023

by Earon

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1 Answer

27 votes

8x+2y=20
-8x. -8x
2y = 20 -8x
——————-
2
y = 10-4x

Plug in y value
-4x + 10 - 4x =2
-8x + 10 = 2
-8x = -8
X = 1

Plug x value into y= equation

Y = 10 - 4(1)
Y= 6

Waruyama answered Jul 31, 2023

by Waruyama

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