Resol -663*10^-34*3*10^9/434=218*10^-18x

$$- 663 \times 10 ^ { - 34 } \times \frac { 3 \times 10 ^ { 9 } } { 434 } = 218 \times 10 ^ { - 18 } x$$

Resoleu x

$$x=-\frac{1989}{946120000000}\approx -2,102270325 \cdot 10^{-9}$$

Passos per resoldre una equació lineal

Multipliqueu els dos costats de l'equació per 434.

$$-663\times 10^{-34}\times 3\times 10^{9}=94612\times 10^{-18}x$$

Calculeu 10 elevat a -34 per obtenir \frac{1}{10000000000000000000000000000000000}.

$$-663\times \frac{1}{10000000000000000000000000000000000}\times 3\times 10^{9}=94612\times 10^{-18}x$$

Multipliqueu -663 per \frac{1}{10000000000000000000000000000000000} per obtenir -\frac{663}{10000000000000000000000000000000000}.

$$-\frac{663}{10000000000000000000000000000000000}\times 3\times 10^{9}=94612\times 10^{-18}x$$

Multipliqueu -\frac{663}{10000000000000000000000000000000000} per 3 per obtenir -\frac{1989}{10000000000000000000000000000000000}.

$$-\frac{1989}{10000000000000000000000000000000000}\times 10^{9}=94612\times 10^{-18}x$$

Calculeu 10 elevat a 9 per obtenir 1000000000.

$$-\frac{1989}{10000000000000000000000000000000000}\times 1000000000=94612\times 10^{-18}x$$

Multipliqueu -\frac{1989}{10000000000000000000000000000000000} per 1000000000 per obtenir -\frac{1989}{10000000000000000000000000}.

$$-\frac{1989}{10000000000000000000000000}=94612\times 10^{-18}x$$

Calculeu 10 elevat a -18 per obtenir \frac{1}{1000000000000000000}.

$$-\frac{1989}{10000000000000000000000000}=94612\times \frac{1}{1000000000000000000}x$$

Multipliqueu 94612 per \frac{1}{1000000000000000000} per obtenir \frac{23653}{250000000000000000}.

$$-\frac{1989}{10000000000000000000000000}=\frac{23653}{250000000000000000}x$$

Intercanvieu els costats perquè tots els termes variables estiguin al costat esquerre.

$$\frac{23653}{250000000000000000}x=-\frac{1989}{10000000000000000000000000}$$

Multipliqueu els dos costats per \frac{250000000000000000}{23653}, la recíproca de \frac{23653}{250000000000000000}.

$$x=-\frac{1989}{10000000000000000000000000}\times \frac{250000000000000000}{23653}$$

Multipliqueu -\frac{1989}{10000000000000000000000000} per \frac{250000000000000000}{23653} per obtenir -\frac{1989}{946120000000}.

$$x=-\frac{1989}{946120000000}$$