Solvi għal x
x = \frac{109}{21} = 5\frac{4}{21} \approx 5.19047619
Graff
Sehem
Ikkupjat fuq il-klibbord
2\times \frac{0.04x+0.09}{0.05}-2\times \frac{0.3x+0.2}{0.3}=x-5
Immultiplika ż-żewġ naħat tal-ekwazzjoni b'2.
2\left(\frac{0.04x}{0.05}+\frac{0.09}{0.05}\right)-2\times \frac{0.3x+0.2}{0.3}=x-5
Iddividi kull terminu ta' 0.04x+0.09 b'0.05 biex tikseb\frac{0.04x}{0.05}+\frac{0.09}{0.05}.
2\left(0.8x+\frac{0.09}{0.05}\right)-2\times \frac{0.3x+0.2}{0.3}=x-5
Iddividi 0.04x b'0.05 biex tikseb0.8x.
2\left(0.8x+\frac{9}{5}\right)-2\times \frac{0.3x+0.2}{0.3}=x-5
Espandi \frac{0.09}{0.05} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'100.
1.6x+2\times \frac{9}{5}-2\times \frac{0.3x+0.2}{0.3}=x-5
Uża l-propjetà distributtiva biex timmultiplika 2 b'0.8x+\frac{9}{5}.
1.6x+\frac{2\times 9}{5}-2\times \frac{0.3x+0.2}{0.3}=x-5
Esprimi 2\times \frac{9}{5} bħala frazzjoni waħda.
1.6x+\frac{18}{5}-2\times \frac{0.3x+0.2}{0.3}=x-5
Immultiplika 2 u 9 biex tikseb 18.
1.6x+\frac{18}{5}-2\left(\frac{0.3x}{0.3}+\frac{0.2}{0.3}\right)=x-5
Iddividi kull terminu ta' 0.3x+0.2 b'0.3 biex tikseb\frac{0.3x}{0.3}+\frac{0.2}{0.3}.
1.6x+\frac{18}{5}-2\left(x+\frac{0.2}{0.3}\right)=x-5
Annulla 0.3 u 0.3.
1.6x+\frac{18}{5}-2\left(x+\frac{2}{3}\right)=x-5
Espandi \frac{0.2}{0.3} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'10.
1.6x+\frac{18}{5}-2x-2\times \frac{2}{3}=x-5
Uża l-propjetà distributtiva biex timmultiplika -2 b'x+\frac{2}{3}.
1.6x+\frac{18}{5}-2x+\frac{-2\times 2}{3}=x-5
Esprimi -2\times \frac{2}{3} bħala frazzjoni waħda.
1.6x+\frac{18}{5}-2x+\frac{-4}{3}=x-5
Immultiplika -2 u 2 biex tikseb -4.
1.6x+\frac{18}{5}-2x-\frac{4}{3}=x-5
Frazzjoni \frac{-4}{3} tista' tinkiteb mill-ġdid bħala -\frac{4}{3} bl-estrazzjoni tas-sinjal negattiv.
-0.4x+\frac{18}{5}-\frac{4}{3}=x-5
Ikkombina 1.6x u -2x biex tikseb -0.4x.
-0.4x+\frac{54}{15}-\frac{20}{15}=x-5
L-inqas multipli komuni ta' 5 u 3 huwa 15. Ikkonverti \frac{18}{5} u \frac{4}{3} fi frazzjonijiet bid-denominatur 15.
-0.4x+\frac{54-20}{15}=x-5
Billi \frac{54}{15} u \frac{20}{15} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
-0.4x+\frac{34}{15}=x-5
Naqqas 20 minn 54 biex tikseb 34.
-0.4x+\frac{34}{15}-x=-5
Naqqas x miż-żewġ naħat.
-1.4x+\frac{34}{15}=-5
Ikkombina -0.4x u -x biex tikseb -1.4x.
-1.4x=-5-\frac{34}{15}
Naqqas \frac{34}{15} miż-żewġ naħat.
-1.4x=-\frac{75}{15}-\frac{34}{15}
Ikkonverti -5 fi frazzjoni -\frac{75}{15}.
-1.4x=\frac{-75-34}{15}
Billi -\frac{75}{15} u \frac{34}{15} għandhom l-istess denominatur, naqqashom billi tnaqqas in-numeraturi tagħhom.
-1.4x=-\frac{109}{15}
Naqqas 34 minn -75 biex tikseb -109.
x=\frac{-\frac{109}{15}}{-1.4}
Iddividi ż-żewġ naħat b'-1.4.
x=\frac{-109}{15\left(-1.4\right)}
Esprimi \frac{-\frac{109}{15}}{-1.4} bħala frazzjoni waħda.
x=\frac{-109}{-21}
Immultiplika 15 u -1.4 biex tikseb -21.
x=\frac{109}{21}
Frazzjoni \frac{-109}{-21} tista' tiġi ssimplifikata għal \frac{109}{21} bit-tneħħija tas-sinjal negattiv min-numeratur u d-denominatur.
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