решите уравнения.
1. (3-4x)(2+3x)=0
2. |-3,5| * |x|=|7|
3.|-4|= |x| * |-24|
4. 2(y-3) - (y+1)= 10
5. 4(x-5) - (x+12)=9
1. (3-4x)(2+3x)=0
2. |-3,5| * |x|=|7|
3.|-4|= |x| * |-24|
4. 2(y-3) - (y+1)= 10
5. 4(x-5) - (x+12)=9
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Answers & Comments
3-4х₁=0 х₁=3/4
2+3х₂=0 х₂=-2/3
2) |-3,5| * |x|=|7|
IxI=7:3.5 x=2
3)|-4|= |x| * |-24|
IxI=4:24 x=1/6
4) 2(y-3) - (y+1)= 10
2у-6-у-1=10
у=17
5) 4(x-5) - (x+12)=9
4х-20-х-12=9
3х=41
х=13 2/3
Verified answer
1. 3-4х=0х=3/4
2+3х=0
х=-2/3
2. |х|=2
х=2
х=-2
3. 4=|х|*24
|х|=1/6
х=1/6
х=-1/6