The solution set of inequation|2x-3|<|x+2| is
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Answer:
x=1/3" or " x=5
Explanation:
There are 2 possible solutions to the equation.
2x-3=color(red)(+-)(x+2)
color(blue)"first solution"
2x-3=x+2
"subtract x from both sides."
2x-x-3=cancel(x)cancel(-x)+2
rArrx-3=2
"add 3 to both sides."
xcancel(-3)cancel(+3)=2+3
rArrx=5
color(blue)"second solution"
2x-3=-x-2
rArr3x=1
rArr x=1/3
color(blue)"As a check"
Substitute these values into the equation and if the left side is equal to the right side then they are the solutions.
"left side "=|(2xx5)-3|=|7|=7
"right side "=|5+2|=|7|=7
"left side "=|2/3-3|=|-2 1/3|=2 1/3
"right side "=|1/3+2|=|2 1/3|=2 1/3
rArrx=1/3" or " x=5" are the solutions"
Step-by-step explanation:
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