Issolvi n-1/10n+10-6/2

$$\frac { n - 1 } { 10 n + 10 } - \frac { 6 } { 2 }$$

Evalwa

$$-\frac{29n+31}{10\left(n+1\right)}$$

Passi Qosra tas-Soluzzjonijiet

Iddividi 6 b'2 biex tikseb3.

$$\frac{n-1}{10n+10}-3$$

Iffattura 10n+10.

$$\frac{n-1}{10\left(n+1\right)}-3$$

Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. Immultiplika 3 b'\frac{10\left(n+1\right)}{10\left(n+1\right)}.

$$\frac{n-1}{10\left(n+1\right)}-\frac{3\times 10\left(n+1\right)}{10\left(n+1\right)}$$

Billi \frac{n-1}{10\left(n+1\right)} u \frac{3\times 10\left(n+1\right)}{10\left(n+1\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.

$$\frac{n-1-3\times 10\left(n+1\right)}{10\left(n+1\right)}$$

Agħmel il-multiplikazzjonijiet fi n-1-3\times 10\left(n+1\right).

$$\frac{n-1-30n-30}{10\left(n+1\right)}$$

Ikkombina termini simili f'n-1-30n-30.

$$\frac{-29n-31}{10\left(n+1\right)}$$

Espandi 10\left(n+1\right).

$$\frac{-29n-31}{10n+10}$$

Espandi

$$-\frac{29n+31}{10\left(n+1\right)}$$

Passi Qosra tas-Soluzzjonijiet

Iddividi 6 b'2 biex tikseb3.

$$\frac{n-1}{10n+10}-3$$

Iffattura 10n+10.

$$\frac{n-1}{10\left(n+1\right)}-3$$

Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. Immultiplika 3 b'\frac{10\left(n+1\right)}{10\left(n+1\right)}.

$$\frac{n-1}{10\left(n+1\right)}-\frac{3\times 10\left(n+1\right)}{10\left(n+1\right)}$$

Billi \frac{n-1}{10\left(n+1\right)} u \frac{3\times 10\left(n+1\right)}{10\left(n+1\right)} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.

$$\frac{n-1-3\times 10\left(n+1\right)}{10\left(n+1\right)}$$

Agħmel il-multiplikazzjonijiet fi n-1-3\times 10\left(n+1\right).

$$\frac{n-1-30n-30}{10\left(n+1\right)}$$

Ikkombina termini simili f'n-1-30n-30.

$$\frac{-29n-31}{10\left(n+1\right)}$$

Espandi 10\left(n+1\right).

$$\frac{-29n-31}{10n+10}$$