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5x +10 -8 > 3x -18
5x +2 > 3x -18
5x -3x > -18 -2
2x > -20
x > -20/2
x > -10
Jadi, jawabannya adalah b.
=5x+10-8>3x-18
=5x+2>3x-18
=5x-3x+2>3x-3x-18
=2x+2>-18
=2x+2-2>-18-2
=2x>-20
=x>-10
semoga membantu :)