Question if-wha
1.2 Linear Equations in One Variable - Single-variable equations (multi-step)
0:00
If 
, what is the value of 
?
A.
2
B.
5
C.
7
D.
12
If , what is the value of ?
Hard-difficulty · SAT Math · Linear Equations in One Variable — Single-variable equations (multi-step). Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice A is correct. Adding the like terms on the left-hand side of the given equation yields 
. Dividing both sides of this equation by 5 yields 
.
Choice B is incorrect and may result from subtracting 5, not dividing by 5, on both sides of the equation . Choice C is incorrect. This is the value of x, not the value of 
. Choice D is incorrect. This is the value of 
, not the value of .
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