JwaabDoongGaaens?? #RinciAjaaGaaens

1
= (4p + 3) + (p -5)
= 4p + p + 3 - 5
= 5p - 2

2
= (8x - 16) - (14x + 5)
= 8x - 14x - 16 - 5
= - 6x - 21

3
= 12a^2/6a
= 2a

4a
=(5k)^2
=25k^2

4b
=(-3pq)^2
=9p^2q^2

6a
8x - 3 = 37
8x = 37+3
8x = 40
x = 40/8 = 5

6b
3x= 5 - 2x
3x+2x=5
5x = 5
x =5/5 =1

7
7+2x<-1
2x<-1-7
2x<-8
x<-8/2=-4

MAPEL=MATEMATIKA
KELAS=VII
BAB=PLSV,ALJABAR DAN PTLSV

1.(4p+3)+(p-5)
=4p+3+p-5
=4p+p+3-5
=5p-2

2.(8x-16)-(14x+5)
=8x-16-14x-5
=8x-14x-16-5
=-6x-21

3.
[tex] \frac{12 {a}^{2} }{6a} \\ = 2a[/tex]

4.(5k)²
=25k²

5.(-3pq)²
=9p²q²

6A.
[tex]8x - 3 = 37 \\ = 8x = 37 + 3 \\ = 8x = 40 \\ = x = \frac{40}{8} \\ = x = 5[/tex]
6B.
[tex]3x = 5 - 2x \\ 3x + 2x = 5 \\ 5x = 5 \\ x = \frac{5}{5} \\ x = 1[/tex]

7.
[tex]7 + 2x < - 1 \\ 2x < - 1 - 7 \\ 2x < - 8 \\ x < \frac{ - 8}{2} \\ x > - 4 \\ \\ [/tex]


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