Tentukan himpunan penyelesaian setiap persamaan 1. 4(x-3) + 7 = 3(x-3) +6 2.8x -2 +6x =12-2x +4
Matematika
Viya23
Pertanyaan
Tentukan himpunan penyelesaian setiap persamaan
1. 4(x-3) + 7 = 3(x-3) +6
2.8x -2 +6x =12-2x +4
1. 4(x-3) + 7 = 3(x-3) +6
2.8x -2 +6x =12-2x +4
2 Jawaban
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1. Jawaban 1abc
1. 4x-12 + 7 = 3x-9 + 6
4x-5 = 3x-3
4x-3x = -3+5
x = 2
2. 14x-2 = 16-2x
14x + 2x = 16 + 2
16x = 18
x = 18/16 = 1 2/16
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2. Jawaban arya54321
1} 4(x-3)+7=3(x-3)+6
<=> 4x-12+7=3x-9+6
<=> 4x-5=3x-3
<=> 4x-3x-5+3=0
<=>x-2
2} 8x-2+6x=12-2x+4
<=>8x+6x-2=12+4-2x
<=>14x-2=16-2x
<=>14x+2x-2-16=0
<=>16x-18
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