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
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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