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July 2022
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решите уравнение плиззззззз
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Covgoh
1) 405-(9x+70):4 = 383
(9x+70):4=405-383
(9x+70):4=22
9x+70=4•22
9x+70=88
9x=88-70
9x=18
x=18:2
x=9
2) 1800:(240:y)-47 =253
1800:(240:y)=253+47
1800:(240:y)=300
240:y=1800:300
240:y=6
y=40
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Answers & Comments
(9x+70):4=405-383
(9x+70):4=22
9x+70=4•22
9x+70=88
9x=88-70
9x=18
x=18:2
x=9
2) 1800:(240:y)-47 =253
1800:(240:y)=253+47
1800:(240:y)=300
240:y=1800:300
240:y=6
y=40