Question

The sum of the possible values of x in the equation |x + 7| + |x 8| = 16 is

Answer 1

Answer:

Sorry I didn't know answer of this question

Answer 2

Answer:

between -7 and 8, the value will remain CONSTANT.. |0+7|+|0-8|=15..

now any increase in x will result in increase of 2x..

we are looking for 16-15=1

so 2x=1.. x=1/2..

so when x=-7.5..

x = 8+0.5=8.5..

sum = 1