Question in-the
1.2 Linear Equations in One Variable - Single-variable equations (multi-step)
0:00
In the equation above, what is the value of x ?
A.
25
B.
24
C.
16
D.
15
In the equation above, what is the value of x ?
Easy-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. Multiplying both sides of the equation by 5 results in 
. Dividing both sides of the resulting equation by 4 results in 
.
Choice B is incorrect and may result from adding 20 and 4. Choice C is incorrect and may result from dividing 20 by 5 and then multiplying the result by 4. Choice D is incorrect and may result from subtracting 5 from 20.
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