tolong jawab pertanyaan aljabar 1. -11+x=3 2. 2a+1=a-3 3. 12+3a=5+2a 4. 3(x+1)=2(x+4) 5. 4(3-2y)=(15-7y)
Matematika
meta86
Pertanyaan
tolong jawab pertanyaan aljabar
1. -11+x=3
2. 2a+1=a-3
3. 12+3a=5+2a
4. 3(x+1)=2(x+4)
5. 4(3-2y)=(15-7y)
1. -11+x=3
2. 2a+1=a-3
3. 12+3a=5+2a
4. 3(x+1)=2(x+4)
5. 4(3-2y)=(15-7y)
1 Jawaban
-
1. Jawaban Cikutaquta
1. -11+x=3
x=3+11
x=14
2. 2a+1=a-3
2a-a=-3-1
a=-4
3. 13+3a=5+2a
13-5 =2a-3a
8 =-a
4. 3(x+1)=2(x+4)
3x+3=2x+8
3x-2x=8-3
x =5
5. 4(3-2y)=(15-7y)
12-8y=15-7y
12-15=8y-7y
-3=y