First add 5 to 16, so -3x=21
then divide by -3, so the answer is
x= -7
Answer:
Step-by-step explanation:
your answer is B
Answer:
Answer ::+-6
Step-by-step explanation:
x:3=12:x
or, x/3 = 12/x
Doing cross multiplication,
x^2=36
Putting sqare root on both sides,
x= sqrt. 36
x= +- 6
Therefore x=+-6.