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4 votes
Solve the following system of equations using any method (substitution or elimination) SHOW YOUR WORK

y = -2x + 3
-4x + 2y = 8



I attached a picture of the problem!

Solve the following system of equations using any method (substitution or elimination-example-1
User HYRY
by
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2 Answers

3 votes
y=-2x+3-4x+2y=8
y=-6x+3+2y=8
-2y -2y -2y
-y=-6x+3=8-2y
+3 =3 +3
-y+3=-6x=11-2y
(this is as close as i got)
User Yuki Kutsuya
by
8.1k points
5 votes
This is using substitution:

-4x + (2(-2x+3)) = 8
-4x + -4x + 6 = 8
-8x + 6 = 8
- 6
-8x = 2
÷ -8
x = -0.25

y = (-2 × -0.25) + 3
y = 0.5 + 3
y = 3.5

I hope this helps!
User Dakata
by
9.3k points