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E urgent va rogg!Faceti ecuatia:
400-3 *(x+24)=100.Repede!

Răspuns :

Renatemambouko
400-3 × (x+24)=100
400-3x-72=100
3x=400-100-72
3x=228
x=76
SashaMalmed
400-3×(x+24)=100
3×(x+24)=400-100
3×(x+24)=300
x+24=300:3
x+24=100
x=100-24
x=76

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