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5x+35 = -13
5x = -13-35
5x = -48
x = -48/5
x = -9 3/5
-5[x-7]= -13-2
-5[x-7]= -15
[x-7] = -15 per -5
[x-7]= 3 atau [x-7] = -3
x-7=3 x-7 = -3
x = 3+7 x = -3+7
x= 10 x = 4
hp : { 10,4 }