Question

Help me!!
Solve: 5|x| = 45



A.


No solution


B.


–9 or 9


C.


9


D.


40

Answer 1

start by dividing 5 on both sides
what do u get ?

Answer 2

and remember that
if |a| = b
then
a= b or a = -b

Answer 3

9

Answer 4

thats |x| = 9
right ?

Answer 5

so, x = 9 or x can also be -9

Answer 6

Well divided 45 by 5 and what do you get?

Answer 7

So C :)

Answer 8

because |-9| = 9

Answer 9

B

Answer 10

yes, B :)

Answer 11

Thanks

Answer 12

welcome ^_^