x/3+x/3-3x/4=3 please answer the question
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Answered by
9
Answer:
For −∞<x<−
4
3
∣4x+3∣+∣3x−4∣=−(4x+3)−(3x−4)=12
−4x−3−3x+4=12
−7x=11
x=−
7
11
For −
4
3
≤x<
3
4
∣4x+3∣+∣3x−4∣=(4x+3)−(3x−4)=12
4x+3−3x+4=12
x+7=12
x=5, which is not a solution because −
4
3
≤x<
3
4
For
3
4
≤x<∞
∣4x+3∣+∣3x−4∣=(4x+3)+(3x−4)=12
4x+3+3x−4=12
7x=13
x=
7
13
So, the solution is x=
7
13
,−
7
11
Step-by-step explanation:
I hope it's helpful
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0
Answer:
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