SavannahGrace06
Answered

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Sagot :

2x is the correct choice!!
mahanth1112

Answer:

B. 2x

Skills needed: Systems Evaluation, Addition of Equations

Step-by-step explanation:

1) We have a system of two equations and we are adding them together. We need to solve for the x-value of when they are both added together.

We are adding [tex]3x[/tex] with [tex]-x[/tex]

2) [tex]-x[/tex] just means [tex]-1x[/tex]

---> This means it is: [tex]3x+-1x[/tex]

-------> When you are adding a negative, you are subtracting a positive:

[tex]3x+-1x=3x-1x=2x[/tex]

[tex]2x[/tex] is your answer.

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