Question

Tolong bantu yahh... paling lama bntar malam...
paa jajargenjang PQRS, panjang
PQ= (3× -5)cm
RS= (× + 9) cm
Dit : panjang sisi PQ =....

Answer 1

3x-5
x+9
-------- -
2x=-14
x=-14/2
x=-7

jadi panjang pq=3x-5
=3(-7)-5
=-21-5
=-26

kalau salah maaf ya

Answer 2

3x-5 = x + 9
2x= 14
x=7
pq = 3×7 -5 =21-5 =16