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if-3x-1-7-x-




Question Number 50685 by majidedalt last updated on 18/Dec/18
if : 3x+1=7  x=?
$$\boldsymbol{\mathrm{if}}\::\:\mathrm{3}\boldsymbol{\mathrm{x}}+\mathrm{1}=\mathrm{7} \\ $$$$\boldsymbol{\mathrm{x}}=? \\ $$
Answered by OTCHRRE ABDULLAI last updated on 18/Dec/18
3x=7−1  3x=6  ((3x)/3)=(6/3)  x=2
$$\mathrm{3}{x}=\mathrm{7}−\mathrm{1} \\ $$$$\mathrm{3}{x}=\mathrm{6} \\ $$$$\frac{\mathrm{3}{x}}{\mathrm{3}}=\frac{\mathrm{6}}{\mathrm{3}} \\ $$$${x}=\mathrm{2} \\ $$
Commented by majidedalt last updated on 19/Dec/18
thanks dear
$$\mathrm{thanks}\:\mathrm{dear} \\ $$

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