Bila A=x-2,B=-2x+1,C=x+4,maka tentukan A+5B-C
Matematika
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Pertanyaan
Bila A=x-2,B=-2x+1,C=x+4,maka tentukan A+5B-C
2 Jawaban
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1. Jawaban marfaaudilla19
a + 5b - c
= x - 2 + 5(-2x + 1) -(x + 4)
= x - 2 - 10x + 5 - x - 4
= x - 10x - x - 2 + 5 - 4
= -10x - 1 -
2. Jawaban Yunitaatrii
A + 5B - C
x - 2 + 5(-2x + 1) - (x + 4 )
x - 2 -10x + 5 -x - 4
x -10x -x - 2 + 5 - 4
- 9x - x -2 + 5 - 4
-10x + 3 - 4
- 10x - 1