How do you solve #6|x| - 9 = 1 5#?
2 Answers
May 11, 2018
Explanation:
#"isolate "|x|" by adding 9 to both sides and dividing by 6"#
#rArr6|x|=15+9=24#
#rArr|x|=24/6=4#
#"the x inside the absolute value can be positive or"#
#"negative"#
#rArrx=+-4#
May 11, 2018
x = 4
x = -4
Explanation:
add 9 to both sides
divide both sides by 6
because absolute value always will return a positive value for you so
to check your answer substitute x values in the original equation
you will get 15 = 15 which it means that the values are correct