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LerkaSweet
@LerkaSweet
July 2022
2
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Решите уравнение:
1)7-1/3(6х-3)=4(2-х)
2)0,2(х-5)-3=7х+9,6
3)8-3х=4(1-3х)+1
4)2-3(3-5х)=6(х-6)+7
заранее спасибо!
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ПрофиЗнания
1)7-1/3(6х-3)=4(2-х)
7-2x+1=8-4x
-2x+4x=8-1-7
2x=0
x=0/2
x=0
2)0,2(х-5)-3=7х+9,6
0,2x-1-3=7x+9,6
0,2x-7x=9,6+4
-6,8x=13,6
x=-136/68
x=-2
3)8-3х=4(1-3х)+1
8-3x=4-12x+1
-3x+12x=5-8
9x=-3
x=-3/9
x=-1/3
4)2-3(3-5х)=6(х-6)+7
2-9+15x=6x+36+7
15x-6x=43-2+9
9x=50
x=50/9
x=5 5/9
0 votes
Thanks 0
Hayden5643
1) 7-2х+1=8-4х
-2х+4х=8-7-1
2х=0
х=0/2
х=0
2) 0,2х-1-3=7х+9,6
0,2х-7х=9,6+1+3
-6,8х=13,6
х=13,6/(-6,8)
х=-2
3) 8-3х=4-12х+1
-3х+12х=4+1-8
9х=-3
х=-3/9
х=-1/3
4) 2-9+15х=6х-36+7
15х-6х=-36+7-2+9
9х=-22
х=-22/9
х=-2 и 4/9
0 votes
Thanks 0
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Report "3(6х-3)=4(2-х) 2)0,2(х-5)-3=7х+9,6 3)8-3х=4(1-3х)+1 4)2-3(3-5х)=6(х-6)+7 заранее..."
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Answers & Comments
7-2x+1=8-4x
-2x+4x=8-1-7
2x=0
x=0/2
x=0
2)0,2(х-5)-3=7х+9,6
0,2x-1-3=7x+9,6
0,2x-7x=9,6+4
-6,8x=13,6
x=-136/68
x=-2
3)8-3х=4(1-3х)+1
8-3x=4-12x+1
-3x+12x=5-8
9x=-3
x=-3/9
x=-1/3
4)2-3(3-5х)=6(х-6)+7
2-9+15x=6x+36+7
15x-6x=43-2+9
9x=50
x=50/9
x=5 5/9
-2х+4х=8-7-1
2х=0
х=0/2
х=0
2) 0,2х-1-3=7х+9,6
0,2х-7х=9,6+1+3
-6,8х=13,6
х=13,6/(-6,8)
х=-2
3) 8-3х=4-12х+1
-3х+12х=4+1-8
9х=-3
х=-3/9
х=-1/3
4) 2-9+15х=6х-36+7
15х-6х=-36+7-2+9
9х=-22
х=-22/9
х=-2 и 4/9