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3x-7x=-8-2
-4x=-12
x=-12/-4=3
x+2= 3+2 =5
3x - 7x = -8 - 2
- 4x = -10
x = 10 / 4 = 5/2
nilai x + 2
5/2 + 2
5/2 + 4/2 = 9 / 2 =
jadi nilai x + 2 = =