Datrys ar gyfer x
x = \frac{152}{9} = 16\frac{8}{9} \approx 16.888888889
Graff
Rhannu
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9x=152
Cyfuno 4x a 5x i gael 9x.
x=\frac{152}{9}
Rhannu’r ddwy ochr â 9.
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