Tolong dijawab ya besok dikumpul soalnya 1.2(2x-1)+5=2(x+2)+11 2.5x-12 =2(x+3)+4 3.5(x+2)-2=3(x+2)+7 4.3(2x+3)-5=4(x+2)+28 5.7x+5=2(x+5)+15 6.3x-2=7x+18 Dic
Matematika
icanuraisyah24
Pertanyaan
Tolong dijawab ya besok dikumpul soalnya
1.2(2x-1)+5=2(x+2)+11
2.5x-12 =2(x+3)+4
3.5(x+2)-2=3(x+2)+7
4.3(2x+3)-5=4(x+2)+28
5.7x+5=2(x+5)+15
6.3x-2=7x+18
Dicari persamaan linier satu variabel
1.2(2x-1)+5=2(x+2)+11
2.5x-12 =2(x+3)+4
3.5(x+2)-2=3(x+2)+7
4.3(2x+3)-5=4(x+2)+28
5.7x+5=2(x+5)+15
6.3x-2=7x+18
Dicari persamaan linier satu variabel
2 Jawaban
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1. Jawaban veny45
1. 2(2x-1)+5=2(x+2)+11
4x-2+5=2x+4+11
4x-2x=4+11+2-5
2x=12
2x÷2=12÷2
x=6
2. 5x-12=2(x+3)+4
5x-12=2x+6+4
5x-2x=6+4+12
3x=22
3x÷3=22÷3
x=7,33..
3. 5(x+2)-2=3(x+2)+7
5x+10-2=3x+6+7
5x-3x=6+7+2-10
2x=5
2x÷2=5÷2
x=2,5
4. 3(2x+3)-5=4(x+2)+28
6x+9-5=4x+8+28
6x-4x=8+28+5-9
2x=32
2x÷2=32÷2
x=16
5. 7x+5=2(x+5)+15
7x+5=2x+10+15
7x-2x=10+15-5
5x=20
5x÷5=20÷5
x=4
6. 3x-2=7x+18
3x-7x=18+2
-4x=20
-4x÷-4=20÷-4
x=-5
maaf ya kalo ada kesalahan. -
2. Jawaban Muhammadakbar67
1.)4x-2+5 = 2x+4+11
4x-2x = 4+11+2-5
2x = 12
x = 12
x = 6
2.)5x-12 = 2x+6+4
5x-2x = 6+4+12
3x = 22
x = 22/3
3.)5x+10-2 = 3x+6+7
5x-3x = 6+7+2-10
2x = 5
x = 5/2
4.)6x+9-5 = 4x+8+28
6x-2x = 8+18-9+5
4x = 22
x = 22/4
5.)7x+5 = 2x+10+15
7x-2x = 10+15-5
5x = 20
x = 4
6.)3x-2 = 7x+18
3x-7x = 2+18
-4x = 20
x = -5