Question

Реши уровнения:

67+x=2400:8

y–143=18•3

c•19=2000–100

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Answer 1

67+x=2400:8

67+x=300

X=300-67

X=233

Y-143=18×3

Y-143=54

Y=143+54

Y=297

C*19=2000-100

C*19=1900

C=1900:19

C=100