This looks pretty easy ... I just am not sure how to figure it out ... What is the value of the x variable in the solution to the following system of equations? 4x + 2y = 12 x - y = 3 - 1 5 - 2 2

Question

Mathematics

Shaniya Strong

19 June, 09:51

This looks pretty easy ... I just am not sure how to figure it out ... What is the value of the x variable in the solution to the following system of equations? 4x + 2y = 12 x - y = 3 - 1 5 - 2 2

+1

Answers (1)

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Marcos Mercer · Answer 1

Express x from the secondequation: x=3+y.

Then substitude it in first equation:

4 (3+y) + 2y=12,

4·3+4y+2y=12,

12+6y=12,

6y=12-12,

6y=0,

y=0 and x=3+0=3

Answer: (3,0)