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bigchungus69
25.02.2021 •
Mathematics
Can someone please help me?
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Ответ:
c
Step-by-step explanation:
8yfdggdufugfugyxcugxfyyrx
Ответ:
i think it is d 4b
Step-by-step explanation:
Ответ:
x = 9
Step-by-step explanation:
you can solve with 2 way. First:
a( b + c) = ab + aca ( b - c) = ab - aca ( b + c) -d = ab + ac -dSo => 5 ( 4x - 5 ) = 5.4x - 5.5
5.4x - 5.5 = 20x - 25
20x - 25 = 155
20x - 25 + 25 = 155 + 25
20x = 180
x = 9Second way:
ifSo: 5 ( 4x-5 ) = 155
(4x -5) =![\frac{155}{5}](/tpl/images/0665/9147/00923.png)
(4x-5) = 31
4x -5 +5 = 4x +5
4x = 36
x = 9Hope this helps ^-^