Solve the following system of equations by substitution and select the correct answer below: 2x − 4y = 24 4x − 12y = 36

Possible answers:

x = 18, y = 3

x = 18, y = −3

x = −18, y = 3

x = −18, y = −3

Question

09-02-2017
Mathematics

Answered

Solve the following system of equations by substitution and select the correct answer below: 2x − 4y = 24 4x − 12y = 36

Possible answers:

x = 18, y = 3

x = 18, y = −3

x = −18, y = 3

x = −18, y = −3

Verified Answer :

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wolf1728 wolf1728 · Answer 1 · 2017-02-11T21:33:16-05:00

wolf1728 wolf1728

11-02-2017

A) 2x − 4y = 24
B) 4x − 12y = 36
We can solve equation A for "x"
x = 2y + 12
We can input this "x" value into equation B)
B) 4(2y + 12) -12y = 36
8y + 48 -12y = 36
-4y = -12
y = 3
Putting this value into equation A
A) 2x − 43 = 24
2x = 36
x = 18

Answer Link

Solve the following system of equations by substitution and select the correct answer below: 2x − 4y = 24 4x − 12y = 36 Possible answers: x = 18, y = 3 x = 18, y = −3 x = −18, y = 3 x = −18, y = −3

Verified Answer :

Related Questions

Solve the following system of equations by substitution and select the correct answer below: 2x − 4y = 24 4x − 12y = 36

Possible answers:

x = 18, y = 3

x = 18, y = −3

x = −18, y = 3

x = −18, y = −3