Question 2 Answer & Explanation - SAT Algebra

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algebra

If $ax + 3 = 2x + b$ has infinite solutions, what are $a$ and $b$ ?

a=3, b=2

a=2, b=3

a=2, b=2

a=3, b=3

Correct Answer: B

Choice Dhoice A is the correct answer.

Condition: For infinite solutions, both sides must be identical.
Coefficients: $a = 2$
Constants: $b = 3$

Choice Dhoice C is incorrect because swapped.

Choice Dhoice D is incorrect because b is wrong.

Choice Dhoice C is incorrect because a is wrong.

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