sat suite question viewer
Algebra
/ Systems of two linear equations in two variables
Difficulty: Easy
If 
is the solution to the given system of equations, what is the value of y ?
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Explanation
The correct answer is 23. Since it’s given that 
, the value of y can be found by substituting 2 for x in the first equation and solving for y. Substituting 2 for x yields 
, or 
. Subtracting 6 from both sides of this equation yields 
.