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2x + 14 - 6x + 3 = 4x + 28 - 10x + 5
- 4x + 17 = - 6x + 33
- 4x + 6x = 33 - 17
2x = 16
x = 8
= 2(x - 12)
= 2(8 - 12)
= 2(-4)
= - 8
( 2x + 14 ) - ( 6x - 3 ) = ( 4x + 28 ) - ( 10x - 5 )
( 2x - 6x ) - ( -3 - 14 ) = ( 4x - 10x ) - ( -5 - 28 )
-4x - -17 = -6x - -33
-4x + 17 = -6x + 33
-4x + 6x = 33 - 17
2x = 16
x = 16 : 2
x = 8
2 ( x - 12 ) =
2 ( 8 - 12 ) =
16 - 24 = -8
Jadi, hasilnya -8