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6 - 2x= 5x + 20
-2x - 5x= 20 - 6
-7x= 14
x= 14/-7
x= -2 ( c )
No. 2
5(x - 6)= 2(x - 3)
5x - 30= 2x - 6
5x - 2x= -6 + 30
3x= 24
x= 24/3
x= 8
Maka, nilai x + 3 adalah :
x + 3
8 + 3
11 ( b )
6 - 20 = 5x + 2x
-14 = 7x
-14/7 = x
-2 = x ; C.
2.)) 5(x-6) = 2(x-3)
5x - 30 = 2x - 6
5x - 2x = -6 + 30
3x = 24
x = 24/3
x = 8
x+3
8+3
11 ; B