2x+1+2x+1=20 berapah nilai xnya
Matematika
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Pertanyaan
2x+1+2x+1=20 berapah nilai xnya
2 Jawaban
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1. Jawaban nurinayahsoniqox6v89
2x+1+2x+1=20
2x+2x+1+1-20=0
4x+2-20=0
4x-18=0
×=18/4 -
2. Jawaban jessica209
2x +1+2x+1=20
2x+2x= 20-1-1
4x=18
x =4.5