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vivado [14]
4 years ago
5

4x+2y=2 3x+y=4 explain how you got the answer pls answer it is a timed test

Mathematics
2 answers:
valina [46]4 years ago
7 0

Answer:

1. if you solve for y you will get y=−2x+1 and if you solve for x then you get               x= −1 2 y+ 1 2

SECOND ONE IDK

Alex_Xolod [135]4 years ago
7 0

Answer:

x = 3,  y = -5 ( 3, -5)

Step-by-step explanation:

<h2>substitution </h2>

4x+2y=2 subtract 4x

2y = - 4x + 2  divide by 2

y = -2x + 1

Plug in y = -2x + 1  for y in the equation 3x+y=4 to find x value

3x+2x + 1=4 combine like terms

x + 1 = 4 make x alone/ subtract 1 from both sides

x = 3

Plug in x=3 into y = -2x + 1  to find y value

y = -2(3) + 1 multiply -2 by 3

y = -6 +1 combine like terms

y = -5

I hope this wasn't too late and helped! :)

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