[x-1]+[x+3]=7 [x+5]-[2x+1]=3
Matematika
Liyaanita167
Pertanyaan
[x-1]+[x+3]=7
[x+5]-[2x+1]=3
[x+5]-[2x+1]=3
1 Jawaban
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1. Jawaban susanose
x+x-1+3=7
2x+2=7
2x=7-2
2x=5
x=5/2
x-2x+5-1=3
-x+4=3
-x=3-4
-x=-1
x=1 semoga membantu ya