Mathematics

Problem

Let

A=(3x+7)^\circ

and

B=(5x-17)^\circ

, where

x

is an integer. Which statement about

A

and

B

is correct? a)

A

and

B

are supplementary for exactly one integer value of

x

. b)

A

and

B

are complementary for exactly one integer value of

x

. c)

A

and

B

cannot be complementary for any integer value of

x

. d)

A

and

B

are both right angles when

x=13