( х - 20 ) × 5 = 155
5х - 100 = 155
5х = 100 + 155
5х = 255
х = 255 ÷ 5
х = 51
Ответ: 51.
Ответ:
x-20=155:5
x-20=31
x=31+20
x=51
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( х - 20 ) × 5 = 155
5х - 100 = 155
5х = 100 + 155
5х = 255
х = 255 ÷ 5
х = 51
Ответ: 51.
Ответ:
x-20=155:5
x-20=31
x=31+20
x=51