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Afla numarul necunoscut.3*4+x=9000 y-7*932=2803

Răspuns :


3*4+x=9000

=12+x=9000 l -12

x=8988


Y-7*932=2803

=y- 6524=2803 l +6524

y=9327

12+ x=9000
x=9000-12
x= 8988
y-7*932=2803
y-6524=2803
y=6524+2803
y=9327