1.
2.
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I 3x-7 I=5
3x-7=5 3x-7= -5
3x=12 3x=2
x=12:3 x=2 :3
х1=4 х2=2/3
5.
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Verified answer
1.
2.
3.
4.
I 3x-7 I=5
3x-7=5 3x-7= -5
3x=12 3x=2
x=12:3 x=2 :3
х1=4 х2=2/3
5.