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= x -5 +3x +4
= x +3x -5 +4
= 4x -1
2. -3x +5 -(2x +11)
= -3x +5 -2x -11
= -3x -2x +5 -11
= -5x -6
Itu jawabannya.
= x - 5 - (-3x) - 4
= x - 5 + 3x + 4
= 4x - 1
2. -3x + 5 oleh 2x + 11
= -3x + 5 - 2x - 11
= -5x - 6