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vaieri [72.5K]
3 years ago
12

⦁ Solve for x: 3|x – 7| = 15 SHOW WORK

Mathematics
2 answers:
nasty-shy [4]3 years ago
5 0
Ez way to do it use distribution 3x-21=15 add 21 to 15 =36
3x=36 divided by 3 both side x=12 x=2
Anna007 [38]3 years ago
4 0

3|x-7| = 15\\\\\implies |x-7|  =\dfrac{15}3\\\\\implies |x -7| = 5\\\\\implies x -7 = 5 ~~ \text{or}~ x - 7 = -5\\\\\implies x = 12 ~~\text{or}~~ x = 2

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