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-p = 12 -7
-p = 5
p = -5
2. k -12 = k
k -k = 12
0 = 12
Tidak ada penyelesaiannya.
3. 2y -4 = 11 -y
2y +y = 11 +4
3y = 15
y = 15/3
y = 5
4. 2(3x +5) -2(7x -3) = x +7
6x +10 -14x +6 = x +7
-8x +16 = x +7
-8x -x = 7 -16
-9x = -9
x = 1
Itu jawabannya.
-p = 12-7
-p = 5
p = -5
2. k-12 = k
k-k = 12
0 = 12
3. 2y-4 = 11-y
2y+y = 11+4
3y = 15
y = 5
4. 2(3x+5)-2(7x-3) = x+7
6x+10-14x+6 = x+7
-8x+16 = x+7
-9x = -9
x = 1