sat suite question viewer

Algebra / Systems of two linear equations in two variables Difficulty: Easy

3x=12

-3x+y=-6

The solution to the given system of equations is x,y. What is the value of y ?

Back question 37 of 112 Next

Explanation

Choice B is correct. Adding the second equation in the given system to the first equation in the given system yields 3x+(-3x+y)=12+-6, which is equivalent to y=6

Choice A is incorrect and may result from conceptual or calculation errors.

Choice C is incorrect and may result from conceptual or calculation errors.

Choice D is incorrect and may result from conceptual or calculation errors.