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x-3-4-x-2-10-x-4-6-sir-help-me-plz-




Question Number 50791 by Gulay last updated on 20/Dec/18
x+(3/4)x+2(10+x)+4=−6  sir help me plz
$$\mathrm{x}+\frac{\mathrm{3}}{\mathrm{4}}\mathrm{x}+\mathrm{2}\left(\mathrm{10}+\mathrm{x}\right)+\mathrm{4}=−\mathrm{6} \\ $$$$\mathrm{sir}\:\mathrm{help}\:\mathrm{me}\:\mathrm{plz} \\ $$$$ \\ $$
Commented by maxmathsup by imad last updated on 20/Dec/18
(e) ⇔(1+(3/4))x +20 +2x=−6−4 ⇔((7/4) +2)x=−10−20 ⇔  ((15)/4)x =−30  ⇔15x =−4×30 ⇔15x =−120 ⇔x=−((120)/(15)) =−((3.40)/(3.5)) ⇔x=−8 .
$$\left({e}\right)\:\Leftrightarrow\left(\mathrm{1}+\frac{\mathrm{3}}{\mathrm{4}}\right){x}\:+\mathrm{20}\:+\mathrm{2}{x}=−\mathrm{6}−\mathrm{4}\:\Leftrightarrow\left(\frac{\mathrm{7}}{\mathrm{4}}\:+\mathrm{2}\right){x}=−\mathrm{10}−\mathrm{20}\:\Leftrightarrow \\ $$$$\frac{\mathrm{15}}{\mathrm{4}}{x}\:=−\mathrm{30}\:\:\Leftrightarrow\mathrm{15}{x}\:=−\mathrm{4}×\mathrm{30}\:\Leftrightarrow\mathrm{15}{x}\:=−\mathrm{120}\:\Leftrightarrow{x}=−\frac{\mathrm{120}}{\mathrm{15}}\:=−\frac{\mathrm{3}.\mathrm{40}}{\mathrm{3}.\mathrm{5}}\:\Leftrightarrow{x}=−\mathrm{8}\:. \\ $$
Answered by afachri last updated on 20/Dec/18
         x+((3x)/4)+20+2x+4 = −6 multiply with 4     4x+3x+80+8x+16 = −24                        15x                       = −24−80−16                        15x                       = −120 divided by 15                              x                       = −8
$$\:\:\:\:\:\:\:\:\:{x}+\frac{\mathrm{3}{x}}{\mathrm{4}}+\mathrm{20}+\mathrm{2}{x}+\mathrm{4}\:=\:−\mathrm{6}\:\boldsymbol{\mathrm{multiply}}\:\boldsymbol{\mathrm{with}}\:\mathrm{4} \\ $$$$\:\:\:\mathrm{4}{x}+\mathrm{3}{x}+\mathrm{80}+\mathrm{8}{x}+\mathrm{16}\:=\:−\mathrm{24} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{15}{x}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:−\mathrm{24}−\mathrm{80}−\mathrm{16} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{15}{x}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:−\mathrm{120}\:\boldsymbol{\mathrm{divided}}\:\boldsymbol{\mathrm{by}}\:\mathrm{15} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:{x}\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:=\:−\mathrm{8} \\ $$$$ \\ $$

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