Datrys ar gyfer x
x=7
Graff
Cwis
Linear Equation
( \frac{ 3 }{ 7 } x- \frac{ 5 }{ 6 } ) \times 1 \frac{ 2 }{ 13 } =2 \frac{ 1 }{ 2 }
Rhannu
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42\left(\frac{3}{7}x-\frac{5}{6}\right)\left(1\times 13+2\right)=273\left(2\times 2+1\right)
Lluoswch ddwy ochr yr hafaliad wrth 546, lluoswm cyffredin lleiaf 7,6,13,2.
42\left(\frac{3}{7}x-\frac{5}{6}\right)\left(13+2\right)=273\left(2\times 2+1\right)
Lluosi 1 a 13 i gael 13.
42\left(\frac{3}{7}x-\frac{5}{6}\right)\times 15=273\left(2\times 2+1\right)
Adio 13 a 2 i gael 15.
630\left(\frac{3}{7}x-\frac{5}{6}\right)=273\left(2\times 2+1\right)
Lluosi 42 a 15 i gael 630.
630\times \frac{3}{7}x+630\left(-\frac{5}{6}\right)=273\left(2\times 2+1\right)
Defnyddio’r briodwedd ddosbarthu i luosi 630 â \frac{3}{7}x-\frac{5}{6}.
\frac{630\times 3}{7}x+630\left(-\frac{5}{6}\right)=273\left(2\times 2+1\right)
Mynegwch 630\times \frac{3}{7} fel ffracsiwn unigol.
\frac{1890}{7}x+630\left(-\frac{5}{6}\right)=273\left(2\times 2+1\right)
Lluosi 630 a 3 i gael 1890.
270x+630\left(-\frac{5}{6}\right)=273\left(2\times 2+1\right)
Rhannu 1890 â 7 i gael 270.
270x+\frac{630\left(-5\right)}{6}=273\left(2\times 2+1\right)
Mynegwch 630\left(-\frac{5}{6}\right) fel ffracsiwn unigol.
270x+\frac{-3150}{6}=273\left(2\times 2+1\right)
Lluosi 630 a -5 i gael -3150.
270x-525=273\left(2\times 2+1\right)
Rhannu -3150 â 6 i gael -525.
270x-525=273\left(4+1\right)
Lluosi 2 a 2 i gael 4.
270x-525=273\times 5
Adio 4 a 1 i gael 5.
270x-525=1365
Lluosi 273 a 5 i gael 1365.
270x=1365+525
Ychwanegu 525 at y ddwy ochr.
270x=1890
Adio 1365 a 525 i gael 1890.
x=\frac{1890}{270}
Rhannu’r ddwy ochr â 270.
x=7
Rhannu 1890 â 270 i gael 7.
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