Datrys ar gyfer x
x = \frac{48}{5} = 9\frac{3}{5} = 9.6
Graff
Rhannu
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5x-12=36
Cyfuno 4x a x i gael 5x.
5x=36+12
Ychwanegu 12 at y ddwy ochr.
5x=48
Adio 36 a 12 i gael 48.
x=\frac{48}{5}
Rhannu’r ddwy ochr â 5.
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