Respuesta :

step 1
Multiplication property of equality
Multiplying the second equation by -2
Step 2
Additional property of equality 
We add the two equations generated in step 1
Step 3
The division property of equality
We divide both sides of equation obtained in step 2 by 13
Step 4
Substitution property of equality
We substitute the value obtained in step 3 for y in the first equation.
Step 5
Simplify

Step 6 
Additional property of equality
We add +3 on both sides of the equation in order to have an equation with a variable x.
Step 7
Division property of equality
We divide both sides of the equation obtained to get the value of x
yyi

Answer:

hope this helps :)

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