Datrys ar gyfer x
x = \frac{159}{5} = 31\frac{4}{5} = 31.8
Graff
Rhannu
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5x=147+12
Ychwanegu 12 at y ddwy ochr.
5x=159
Adio 147 a 12 i gael 159.
x=\frac{159}{5}
Rhannu’r ddwy ochr â 5.
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