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DipperMystic
@DipperMystic
August 2022
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Реши уравнения и сделай проверку.
7•(3+k)=33+5k
3b-2+6b-8b=10
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andreevnaelina
7 × (3 + k) = 33 + 5k
21 + 7k = 33 + 5k
7k – 5k = 33 – 21
2k = 12
k = 12 ÷ 2
k = 6
Проверка:
7 × (3 + 5) = 33 + 5 × 6
7 × 8 = 30 + 33
63 = 63
3b – 2 + 6b – 8b = 10
b – 2 = 10
b = 10 + 2
b = 12
Проверка:
3 × 12 – 2 + 6 × 12 – 8 × 12 = 10
34 + 72 – 96 = 106 – 96 = 10
10 = 10
2 votes
Thanks 1
DipperMystic
Немножко ошибся но я изменил спасибо
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Answers & Comments
21 + 7k = 33 + 5k
7k – 5k = 33 – 21
2k = 12
k = 12 ÷ 2
k = 6
Проверка:
7 × (3 + 5) = 33 + 5 × 6
7 × 8 = 30 + 33
63 = 63
3b – 2 + 6b – 8b = 10
b – 2 = 10
b = 10 + 2
b = 12
Проверка:
3 × 12 – 2 + 6 × 12 – 8 × 12 = 10
34 + 72 – 96 = 106 – 96 = 10
10 = 10