2007-12-02 04:04:42 · 10 respostas · perguntado por Anonymous em Ciências e Matemática ➔ Matemática
75.
2007-12-02 04:08:10 · answer #1 · answered by ..... 7 · 0⤊ 0⤋
Setenta e cinco pois: 45-20 dá 25. E 25 multiplicado por 3 dá 75.
2007-12-02 12:58:58 · answer #2 · answered by garimpeiro velho 7 · 0⤊ 0⤋
x/3 + 60= 45
x + 3.(20)= 3.(45)
x + 60= 135
x=135 - 60
x=75
2007-12-02 12:38:44 · answer #3 · answered by jujuzinhaá!! 2 · 0⤊ 0⤋
75.
2007-12-02 12:34:09 · answer #4 · answered by fran 7 · 0⤊ 0⤋
o número é 75 porque
45-20=25
25x3=75
2007-12-02 12:15:44 · answer #5 · answered by LU 1 · 0⤊ 0⤋
20 + x/3 = 45
60 + x = 135
2007-12-02 12:12:26 · answer #6 · answered by M.M.D.C. 7 · 0⤊ 0⤋
20+ x/3 = 45
x/3 = 45 -20
x/3= 25
x= 25.3
x=75
2007-12-02 12:10:13 · answer #7 · answered by Leonardo F 2 · 0⤊ 0⤋
20 + x/3 = 45
x/3 = 45 - 20
x/3 = 25
x = 25 . 3
x = 75
2007-12-02 12:09:08 · answer #8 · answered by Anonymous · 0⤊ 0⤋
O número é x
x/3 + 20 =45
x+ 60=135
x=135-60
x=75
2007-12-02 12:08:27 · answer #9 · answered by cecilia o 7 · 0⤊ 0⤋
3X + 20 = 45
3X = 45 - 20
3X = 25
X 25DIVIDIDO 3
X = 8.333
2007-12-02 12:12:01 · answer #10 · answered by SAGA 3 · 0⤊ 1⤋