Solve for x: |x+1|+|x-1|=|2x|
Answers
Answer:
(x+1)+(x-1)=2x
2x=2x
x=1
The solutions are S={1,32}
The solutions are S={1,32}Explanation:
The solutions are S={1,32}Explanation:The equation is
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞On the first interval (−∞,1)
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞On the first interval (−∞,1)−2x+3−x+1=−x+2
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞On the first interval (−∞,1)−2x+3−x+1=−x+2⇒, 2x=2
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞On the first interval (−∞,1)−2x+3−x+1=−x+2⇒, 2x=2⇒, x=1
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞On the first interval (−∞,1)−2x+3−x+1=−x+2⇒, 2x=2⇒, x=1x fits in this interval and the solution is valid
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞On the first interval (−∞,1)−2x+3−x+1=−x+2⇒, 2x=2⇒, x=1x fits in this interval and the solution is validOn the second interval (1,32)
The solutions are S={1,32}Explanation:The equation is|2x−3|+|x−1|=|x−2|There are 3 points to consider⎧⎪⎨⎪⎩2x−3=0x−1=0x−2=0⇒, ⎧⎪ ⎪⎨⎪ ⎪⎩x=32x=1x=2There are 4 intervals to consider⎧⎪ ⎪ ⎪ ⎪ ⎪⎨⎪ ⎪ ⎪ ⎪ ⎪⎩−∞11323222+∞On the first interval (−∞,1)−2x+3−x+1=−x+2⇒, 2x=2⇒, x=1x fits in this interval and the solution is validOn the second interval (1,32)−2x+3+x−1=−