Question 2 Answer & Explanation - SAT Algebra

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algebra

If $0.4x - 1.2 = 2.8$ , what is the value of $x$ ?

Correct Answer: C

Choice Bhoice C is the correct answer.

Add 1.2: $0.4x = 4.0$
Divide by 0.4: $x = 10$
Verify: $0.4(10) - 1.2 = 4 - 1.2 = 2.8$ ✓

Choice Bhoice D is incorrect because calculation error.

Choice Bhoice C is incorrect because calculation error.

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Linear Functions Set 22

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