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Linear equations in one variable SAT question
Math · Algebra · Easy · Answer it here, explanation included.
In the equation above, what is the value of x ?
ExplanationShow
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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