-(2a + 6) - 2a = -8 - 3a
-2a + 6 - 2a = -8 - 3a
( -2a -2a ) - 6 = -8 -3a
-4a - 6 = -8 -3a
-4a + 3a = -8 + 6
-1a = -2
a = -2/-1
a = 2
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| Penyelesaian :
-(2a + 6) - 2a = -8 - 3a
-2a + 6 - 2a = -8 - 3a
( -2a -2a ) - 6 = -8 -3a
-4a - 6 = -8 -3a
-4a + 3a = -8 + 6
-1a = -2
a = -2/-1
a = 2