How to solve absolute value inequality 11/72 = |(x)/(9) - (3x)/(8) ?|
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11/72 = |(x/9)-(3x)/8|
Your teacher made the question easy by adding the denominator of 72...
Let's first look at the right hand side and make a common denominator..
we have.. 11/72 = | (8x)/72 - (27x)/72|
Then combine like terms
11/72 = |(-19x)/72|
Since we have a denominator of 72 on both sides, we can multiple both sides by 72 eliminating the need for that denominator
11 = |-19x|
x=11/19
x= -11/19
both answers are correct since x is inside the absolute value.
put that in your pipe and smoke it
Your teacher made the question easy by adding the denominator of 72...
Let's first look at the right hand side and make a common denominator..
we have.. 11/72 = | (8x)/72 - (27x)/72|
Then combine like terms
11/72 = |(-19x)/72|
Since we have a denominator of 72 on both sides, we can multiple both sides by 72 eliminating the need for that denominator
11 = |-19x|
x=11/19
x= -11/19
both answers are correct since x is inside the absolute value.
put that in your pipe and smoke it