simonwilson2016 simonwilson2016

01-05-2019
Mathematics

contestada

solve using the substitution method -2x +y=4 y=3x+1

Respuesta :

ericadiaz500 ericadiaz500

01-05-2019

Answer: (3, 10)

Step-by-step explanation:

X=3 y=10

Answer Link

TheStranger TheStranger

01-05-2019

Answer:

x = 3

y = 10

Step-by-step explanation:

Equation (1) : -2x + y = 4

Equation (2) : y = 3x + 1

Substitute (2) into (1):

-2x + (3x + 1) = 4

-2x + 3x + 1 = 4

x + 1 = 4

x = 3

Sub x = 3 into (2):

y = 3(3) + 1

y = 10

Answer Link

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