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3x + 6 + 5 = 2x + 30
3x + 11 = 2x + 30
3x -2x = 30- 11
x = 19
(x + 2) = 19 + 2= 21
3x + 6 + 5 = 2x + 30
3x + 2x = 30 - 6 - 5 (pindah ruas " - " menjadi " + ")
5x = 19
x = 19 ÷ 5
x = 3,8
x + 2 = 3,8 + 2 ⇒ 5,8
jadi, nilai dari (x+2) adalah 5,8