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Linear equations in one variable SAT question

Math · Algebra · Easy · Answer it here, explanation included.

If $x = 40$ , what is the value of $x + 6$ ?

ExplanationShow

Choice C is correct. It's given that $x = 40$ . Adding $6$ to both sides of this equation yields $x + 6 = 40 + 6$ , or $x + 6 = 46$ . Therefore, the value of $x + 6$ is $46$ .

Choice A is incorrect. This is the value of $x - 6$ , not $x + 6$ .

Choice B is incorrect. This is the value of $x$ , not $x + 6$ .

Choice D is incorrect. This is the value of $x + 24$ , not $x + 6$ .

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Linear equations in one variable SAT question

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