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4-5=-1
-5 pindah k kanan jadi + 5
contoh 2 x 5=10
x 5 pindah k kanan jadi : 5
1). 1/2x + 3 = 9 ⇒1/2x=9-3=6 ⇒x=2.6=12
2). 1/3x - 5 = 10 ⇒1/3x=10+5=15 ⇒x=15.3=45
3). 1/4x + 1/2 = 7 ⇒1/4x=7-1/2=(14-1)/2=13/2
⇒x=4.13/2=26
4). 3/4x - 1/5x = 2 ⇒(15/20)x-(4/20)x=(11/20)x=2
⇒11x=2.20=40
⇒x=40/11=3 7/11
5). 1/y - 1/2 = 1/3 ⇒1/y=1/3 + 1/2
⇒1/y=2/6+3/6
⇒1/y=5/6
⇒y=6/5
6). y/2 = y/7 - 10 ⇒10=y/7-y/2
⇒10=(2y-7y)/2
⇒10 . 2=-5y
⇒20=-5y
⇒y=20/-5=-4
7). 6/y + 3/y = 15/4 ⇒(6+3)/y=15/4
⇒9/y=15/4
⇒36/15=y
⇒12/5=2,4
8). 8/p - 2/3p = 13/6 ⇒membingungkan antara (2/3)p
atau 2/3p
perjelas data nanti di jawab
9). p/2 - p/3 = 1-p/6 ⇒(3p-2p)/6=-p/6
p/6+p/6=1
2p/6=1
2p=6 ⇒p=6/2=3
10). 6,2p - 7,1p = 5,3⇒-0,9p=5,3
p=5,3/-0,9
p=-5,9
1/2x= 6
x = 6: 1/2
x = 6.2
x= 12
2.) 1/3x - 5 =10 =1/3x= 10+5
1/3x= 15
x = 15:1/3
x = 15.3
x = 45
3.) 1/4x + 1/2 = 7 = 1/4x= 7+1/2
1/4x= 15/2
x = 15/2 : 1/4
x= 30
4.) 3/4x - 1/5x = 2 = 11/20x = 2
x=2 : 11/ 20
x= 40/11
5.) 1/y - 1/2 = 1/3 = 1/y = 1/2 +1/3
1/y = 5/6
1 = 5/6y
1.6/5= y
6/5=y
6.) y/2 = y/7 - 10
y/2 - y/7 = -10
5y/14 = -10
5y = -10.14
5y = -140
y = -28
7.) 6/y + 3/y = 15/4
9/y = 15/4
9= 15/4y
9.4/15 = y
36/15 = y
8.) 8/p - 2/3p = 13/6
22/3p = 13/6
22= 13/6. 3p
22= 39p/6
22.6= 39p
132= 39p
132/39= p
nmr 8 agak bingung
9.) p/2 - p/3 = 1-p/6
3p - 2p/6 = 5p/6 = 1 - p/6
5p = 1 - p/6 . 6
5p = 1-p
5p + p = 1
6p = 1
p = 1/6
10. 6,2p - 7,1p = 5,3
-0,9p= 5,3
p=5,8