Neidio i'r prif gynnwys
Datrys ar gyfer x
Tick mark Image
Graff

Problemau tebyg o chwiliad gwe

Rhannu

20000=10000\times 1.126492586595306937890625+x\times 1.015^{3}
Cyfrifo 1.015 i bŵer 8 a chael 1.126492586595306937890625.
20000=11264.92586595306937890625+x\times 1.015^{3}
Lluosi 10000 a 1.126492586595306937890625 i gael 11264.92586595306937890625.
20000=11264.92586595306937890625+x\times 1.045678375
Cyfrifo 1.015 i bŵer 3 a chael 1.045678375.
11264.92586595306937890625+x\times 1.045678375=20000
Cyfnewidiwch yr ochrau fel bod yr holl dermau newidiol ar yr ochr chwith.
x\times 1.045678375=20000-11264.92586595306937890625
Tynnu 11264.92586595306937890625 o'r ddwy ochr.
x\times 1.045678375=8735.07413404693062109375
Tynnu 11264.92586595306937890625 o 20000 i gael 8735.07413404693062109375.
x=\frac{8735.07413404693062109375}{1.045678375}
Rhannu’r ddwy ochr â 1.045678375.
x=\frac{873507413404693062109375}{104567837500000000000}
Ehangu \frac{8735.07413404693062109375}{1.045678375} drwy luosi'r rhifiadur a'r enwadur gyda 100000000000000000000.
x=\frac{2236178978316014239}{267693664000000}
Lleihau'r ffracsiwn \frac{873507413404693062109375}{104567837500000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 390625.