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July 2022
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помогите решить уравнение с объяснением 1) 321+( х+13 )=450 2) 240-(х+29)=100 3) 122+(у-7)=200 4) 53-(у-13)=24
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Welcom256987
1) 321+(x+13)=450 x+13=450-321 x+13=129 x=129-13 x=116
2) 240-(х+29)=100
240-х-29=100
211-х=100
-х=100-211
-х=-111
3) 122+(у-7)=200
y-7=200-122 y-7=78 y=78+7 y=854) 53-(y-13)=24 y-13=53-24 y-13=29 y=29+13 y=42
1 votes
Thanks 3
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Спасибо огромное
Paradox1232
1)321+(x+13)=450
321+x+13=450
x=450-321-13
x=116
2)240-(x+29)=100
240-x-29=100
x=240-29-100
x=111
3)122+(y-7)=200
122+y-7=200
y=200-122+7
y=85
4)53-(y-13)=24
53-y+13=24
y=53+13-24
y=42
5 votes
Thanks 6
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спасибо огромное за помощ
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Answers & Comments
2) 240-(х+29)=100
240-х-29=100
211-х=100
-х=100-211
-х=-111
3) 122+(у-7)=200
y-7=200-122 y-7=78 y=78+7 y=854) 53-(y-13)=24 y-13=53-24 y-13=29 y=29+13 y=42
321+x+13=450
x=450-321-13
x=116
2)240-(x+29)=100
240-x-29=100
x=240-29-100
x=111
3)122+(y-7)=200
122+y-7=200
y=200-122+7
y=85
4)53-(y-13)=24
53-y+13=24
y=53+13-24
y=42