Question

Mtk 8 dan 9






Soal tentang aljabar

Answer 1

8.(1/2(3x-6)=2/3(2x-3))x
6(kpk 2 dan 3)
3(3x-6)=4(2x-3)
9x-18=8x-12
9x-8x=-12+18
x=6
9.p=3+x
l=x
3+x+x=66/2
3+2x=33
2x=33-3
x=30/2
x=15
p=18
l=15
L=p x l
18 x 15=270 cm²