1.jika 2x+7=5x-11,maka nilai x+3 adalah.....
tolong bantu ya kak,makasi
tolong bantu ya kak,makasi
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Jawaban
2x + 7 = 5x - 11
11 + 7 = 5x - 2x
18 = 3x
3x = 18
x = 18 : 3
x = 6
x + 3 =
6 + 3 = 9