Question

Помогите решить плиииз

500-400:(x+43)=495
(270:y-12)*70=1260

Answer 1

500-400:(х+43)=495
400:(х+43)=500-495
400:(х+43)=5
х+43=400:5
х+43=80
х=80-43
х=37
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(270:у-12)*70=1260
270:у-12=1260:70
270:у-12=18
270:у=12+18
270:у=30
у=270:30
у=9