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Matvey2234
@Matvey2234
July 2022
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Решите уравнения:
-(7-3y)=8-2(8-y)
-5(2-2x)=2(x-3)+4
2x-4(x+7)=3(2-x)
1,26x+3,58=1,74x+6,46
0,88-(5,12+0,08y)=4,92y-y
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Answers & Comments
Orbit1White
1)-7+3y=8-16+2y
3y-2y=-16+8+7
y=-1
2)-10+10x=2x-6+4
10x-2x=4-6+10
8x=-8
x=-8/8
x=-1
3)2x-4x-28=6-3x
2x-4x+3x=6+28
x=32
4)1,26x-1,74x=6,46-3,58
-0,48x=2,88
x=2,88/(-0,48)
x=-6
5)0.88-5,12-0,08y=4,92y-y
-0.08y-4,92y+y=5,12-0,88
-4y=4,24
y=4,24/(-4)
y=1,06
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Matvey2234
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Answers & Comments
3y-2y=-16+8+7
y=-1
2)-10+10x=2x-6+4
10x-2x=4-6+10
8x=-8
x=-8/8
x=-1
3)2x-4x-28=6-3x
2x-4x+3x=6+28
x=32
4)1,26x-1,74x=6,46-3,58
-0,48x=2,88
x=2,88/(-0,48)
x=-6
5)0.88-5,12-0,08y=4,92y-y
-0.08y-4,92y+y=5,12-0,88
-4y=4,24
y=4,24/(-4)
y=1,06