Issolvi 20+x(0.055)(7)=0.045

$$20 + x ( 0.055 ) ( 7 ) = 0.045$$

Solvi għal x

$$x = -\frac{3991}{77} = -51\frac{64}{77} \approx -51.831168831$$

Passi biex Issolvi l-Ekwazzjoni Lineari

Immultiplika 0.055 u 7 biex tikseb 0.385.

$$20+x\times 0.385=0.045$$

Naqqas 20 miż-żewġ naħat.

$$x\times 0.385=0.045-20$$

Naqqas 20 minn 0.045 biex tikseb -19.955.

$$x\times 0.385=-19.955$$

Iddividi ż-żewġ naħat b'0.385.

$$x=\frac{-19.955}{0.385}$$

Espandi \frac{-19.955}{0.385} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'1000.

$$x=\frac{-19955}{385}$$

Naqqas il-frazzjoni \frac{-19955}{385} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 5.

$$x=-\frac{3991}{77}$$