Răspuns :
(x-7):3+10=100
(x-7):3=100-10
(x-7):3=90
x-7=90×3
x-7=270
x=270+7
x=277
Răspuns:
[tex](x - 7) \div 3 + 10 = 100 \\ \frac{x - 7}{3} + 10 = 100 \\ x - 7 + 30 = 300 \\ x + 23 = 300 \\ x = 300 - 23 \\ x = 277[/tex]
(x-7):3+10=100
(x-7):3=100-10
(x-7):3=90
x-7=90×3
x-7=270
x=270+7
x=277
Răspuns:
[tex](x - 7) \div 3 + 10 = 100 \\ \frac{x - 7}{3} + 10 = 100 \\ x - 7 + 30 = 300 \\ x + 23 = 300 \\ x = 300 - 23 \\ x = 277[/tex]