Question

решите урав. 10b -5b +44=139

Answer 1

10b-5b+44=139;
Решение:
5b+44=139;
5b=139-44;
5b=95;
b=95÷5;
b=19
Ответ:b=19.

Answer 2

 10b -5b +44=139

5b=139-44=95

b=95/5=19

b=19

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