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|x + 2| = 4 + 3
|x + 2| = 7
untuk nilai mutlak, maka berlaku :
x + 2 = 7
x = 7 - 2
x = 5
x + 2 = -7
x = -7 - 2
x = -9
jadi, nilai x yang memenuhi adalah :
x = 5 atau x = -9