Пошаговое объяснение:
1. 3(x-3)=4x+2
3x-9=4x+2
-x=11
x=-11
2. 4(x-3)= x+3
4x-12=x+3
3x=15
x=5
3. 2(x-3)=-3(x+7)
2x-6= -3x-21
5x=-15
x= -3
4. (x+3)4=(x-9)(-2)
4x+12=-2x+18
6x=6
x=1
5. 2x-5=8-3(x+1)
2x-5=8-3x-3
5x=10
x=2
6. 5x/3=(2-3x)/4
20x=3(2-3x)
20x=6-9x
29x=6
x=6/29
7.(5x+7)/8-(3x+1)/5=1
5(5x+7)-8(3x+1)=40
25x+35-24x-8=40
x=13
8.(5x-1)/3 - (6x-1)/5= -2
5(5x-1)-3(6x-1)= -30
25x-5-18x+3= -30
7x=-28
x= -4
9. (3x-2)/4 + (2-x)/6=1
3(3x-2)+2(2-x)=12
9x-6+4-2x=12
7x=14
10. (2x-4)/5 + (2x-1)/3 =1
3(2x-4) + 5(2x-1) =15
6x-12 + 10x-5=15
16x=32
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Answers & Comments
Пошаговое объяснение:
1. 3(x-3)=4x+2
3x-9=4x+2
-x=11
x=-11
2. 4(x-3)= x+3
4x-12=x+3
3x=15
x=5
3. 2(x-3)=-3(x+7)
2x-6= -3x-21
5x=-15
x= -3
4. (x+3)4=(x-9)(-2)
4x+12=-2x+18
6x=6
x=1
5. 2x-5=8-3(x+1)
2x-5=8-3x-3
5x=10
x=2
6. 5x/3=(2-3x)/4
20x=3(2-3x)
20x=6-9x
29x=6
x=6/29
7.(5x+7)/8-(3x+1)/5=1
5(5x+7)-8(3x+1)=40
25x+35-24x-8=40
x=13
8.(5x-1)/3 - (6x-1)/5= -2
5(5x-1)-3(6x-1)= -30
25x-5-18x+3= -30
7x=-28
x= -4
9. (3x-2)/4 + (2-x)/6=1
3(3x-2)+2(2-x)=12
9x-6+4-2x=12
7x=14
x=2
10. (2x-4)/5 + (2x-1)/3 =1
3(2x-4) + 5(2x-1) =15
6x-12 + 10x-5=15
16x=32
x=2