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Ernur203
@Ernur203
July 2022
1
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Помогите решить №163,164,165
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amonakhova
163) 165) 1) x+58-37=91
1)43x=502-72 x=91-58+37
43x=430 x=70
x=430:43
x=10 2) 63-y+109=121
2)-21y=25-67 -y=121-109-63
-21y=-42 -y= -51 | * (-1)
y=2 y=51
3)19y=47+200 3) 69-y+28=13
19y=247 -y=13-69-28
y=247:19 -y=-84 | * (-1)
y=13 y=84
4) 29x=982-83 4)103-z-47=54
29x=899 -z=54+47-103
x=899:29 -z=-2 | * (-1)
x=31 z=2
1 votes
Thanks 4
Ernur203
а где 164 165
amonakhova
сейчас еще
amonakhova
164 точно не знаю
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Answers & Comments
1)43x=502-72 x=91-58+37
43x=430 x=70
x=430:43
x=10 2) 63-y+109=121
2)-21y=25-67 -y=121-109-63
-21y=-42 -y= -51 | * (-1)
y=2 y=51
3)19y=47+200 3) 69-y+28=13
19y=247 -y=13-69-28
y=247:19 -y=-84 | * (-1)
y=13 y=84
4) 29x=982-83 4)103-z-47=54
29x=899 -z=54+47-103
x=899:29 -z=-2 | * (-1)
x=31 z=2