Enrhifo
-\frac{5x}{8}+50
Ehangu
-\frac{5x}{8}+50
Graff
Rhannu
Copïo i clipfwrdd
\frac{50\left(80-x\right)}{80}
Cyfuno 20\left(80-x\right) a 30\left(80-x\right) i gael 50\left(80-x\right).
\frac{5}{8}\left(80-x\right)
Rhannu 50\left(80-x\right) â 80 i gael \frac{5}{8}\left(80-x\right).
\frac{5}{8}\times 80+\frac{5}{8}\left(-1\right)x
Defnyddio’r briodwedd ddosbarthu i luosi \frac{5}{8} â 80-x.
\frac{5\times 80}{8}+\frac{5}{8}\left(-1\right)x
Mynegwch \frac{5}{8}\times 80 fel ffracsiwn unigol.
\frac{400}{8}+\frac{5}{8}\left(-1\right)x
Lluosi 5 a 80 i gael 400.
50+\frac{5}{8}\left(-1\right)x
Rhannu 400 â 8 i gael 50.
50-\frac{5}{8}x
Lluosi \frac{5}{8} a -1 i gael -\frac{5}{8}.
\frac{50\left(80-x\right)}{80}
Cyfuno 20\left(80-x\right) a 30\left(80-x\right) i gael 50\left(80-x\right).
\frac{5}{8}\left(80-x\right)
Rhannu 50\left(80-x\right) â 80 i gael \frac{5}{8}\left(80-x\right).
\frac{5}{8}\times 80+\frac{5}{8}\left(-1\right)x
Defnyddio’r briodwedd ddosbarthu i luosi \frac{5}{8} â 80-x.
\frac{5\times 80}{8}+\frac{5}{8}\left(-1\right)x
Mynegwch \frac{5}{8}\times 80 fel ffracsiwn unigol.
\frac{400}{8}+\frac{5}{8}\left(-1\right)x
Lluosi 5 a 80 i gael 400.
50+\frac{5}{8}\left(-1\right)x
Rhannu 400 â 8 i gael 50.
50-\frac{5}{8}x
Lluosi \frac{5}{8} a -1 i gael -\frac{5}{8}.
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