SAT Math Practice Question #35290 - SATify | SATify

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SAT Math Practice Question #35290 - SATify | SATify

#35290

expressions

algebra

medium

75 sec

If $(a x^{2} + 3 x - 7) + (5 x^{2} - b x + 2)$ is equivalent to $8 x^{2} + 5 x - 5$ , what is the value of $a + b$ ?

A.

-1

B.

1

C.

3

D.

5