Tolong pakai cara ya, ini buat nanti sore dicocokin. nomor 4, 5, 6

4. 9/12=12/p+12
9p+108=144
9p=144-108
P=36÷9=4
5.6/10=3/x
6x=30
×=30÷6=5
6.6/10=x/x+2
6x+12=10×
6x-10x=-12
-4x=-12
X=-12 ÷ -4 = 3

3/5=y/10
5y=30
Y=30÷5=6