Question

Solve -8x < 64.
A. x < 8
B. x < -8
C. x > 8
D. x > -8

Answer 1

-8x < 64
(-8x)/(-8)>(64)/(-8)
x>-8

Answer 2

-8x<64
Switch the sign
-(8x)/(-8)>(64)/(-8)

x>(64)/(-8)

x>-8

Answer 3

for multiplying/ dividing a negative number, remember to change the sign