SAT Math Practice Question #35951 - SATify | SATify

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SAT Math Practice Question #35951 - SATify | SATify

#35951

manipulation

equations

algebra

easy

30 sec

The equation $\frac{1}{x + 1} + \frac{1}{x + 2} = \frac{a x + b}{( x + 1 ) ( x + 2 )}$ is true for all $x > 0$ . What is the value of $a$ ?

A.

1

B.

2

C.

3

D.

4