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