1.) 3y+5=11 2.)7x-4=2x+6 3.)2(5x+6)=22
Matematika
oksa15
Pertanyaan
1.) 3y+5=11
2.)7x-4=2x+6
3.)2(5x+6)=22
2.)7x-4=2x+6
3.)2(5x+6)=22
1 Jawaban
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1. Jawaban Nisei7
1) 3y+5=11
=> 3y = 11-5
=> y = 6/3 = 2
2) 7x - 4 = 2x + 6
=> 7x - 2x = 10
=> 5x = 10
=> x = 2
3) 10x + 12 = 22
=> 10x = 22 - 12
=> 10x = 10
=> x = 1