Question

3 ( x + 5 ) - 28 > 21 - x . Tentukan himpunan penyelesaiannya ?

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Answer 1

Verified answer

3( x + 5 ) - 28 > 21 - x
3x + 15 - 28 > 21 - x
4x > 21 + 28 - 15
4x > 34
x > 34/4
x > 17/2 atau x > 8½
HP = {( 9, 10, 11, ...)}