Soal bentuk aljabar.. Jumplahkan ..
Jawab beserta caranya .
No 1. 12x - 3 + 9 - 4x =
No 2. -11a + 12b + 15b - 2a =
No 3. 4x + 3y + 2+ 10y - 6 =
No 4. 8b - 2a + 6a + 4b =……
Jawab beserta caranya .
No 1. 12x - 3 + 9 - 4x =
No 2. -11a + 12b + 15b - 2a =
No 3. 4x + 3y + 2+ 10y - 6 =
No 4. 8b - 2a + 6a + 4b =……
nova64
1. 12x-3+9-4x = 12x-4x-3+9 = 9x+6
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sigup
No.1 (12-4) x + ( -3+9) = 8x+ 6 . No. 2 (-11-2) a + ( 12+ 15 ) b= -13a + 27b . No 3.4x+ ( 3+10)y+ ( 2-6)= 4x + 13 y -4. No.4 (8+4)b + (-2+6)a = 12b + 4a
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