Question

3 + 2x = 1 - x
value of x?​

Answer 1

Step-by-step explanation:

3+2x=1-x

=>2x+x=1-3

=>3x= -2

=>x= -2/3

Answer 2

${\tt{\red{\underline{\underline{\huge{Answer:= \: -2/3}}}}}}$

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$\LARGE{\bf{\underline{\underline\color{purple}{Solution :-}}}}$

$\begin{gathered}\begin{gathered}: \implies \underline{ \boxed{\displaystyle \sf \bold{\: 3 \: + \: 2x \: = \: 1 \: - x }} }\\ \\\end{gathered}\end{gathered}$

$\begin{gathered}\begin{gathered}: \implies \displaystyle \sf \: 2 x \: + \: x \: = \: 1 - \: 3 \\ \\ \\\end{gathered}\end{gathered}$

$\begin{gathered}\begin{gathered}: \implies \displaystyle \sf \: 3x \: = \: -2 \\ \\ \\\end{gathered}\end{gathered}$

$\begin{gathered}\begin{gathered}: \implies \underline{ \boxed{\displaystyle \sf \bold{\: x\: = \: \: \frac{ - 2}{3} }} }\\ \\\end{gathered}\end{gathered}$

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$\LARGE{\bf{\underline{\underline\color{blue}{Verification:-}}}}$

$\begin{gathered}\begin{gathered}: \implies \underline{ \boxed{\displaystyle \sf \bold{\: 3 \: + \: 2x \: = \: 1 \: - x }} }\\ \\\end{gathered}\end{gathered}$

$\begin{gathered}\begin{gathered}: \implies \displaystyle \sf \: 3 \: + \: 2\: × \: \frac{ - 2}{3} \: = \: 1 \: -\: \frac{ - 2}{3} \\ \\ \\\end{gathered}\end{gathered}$

$\begin{gathered}\begin{gathered}: \implies \displaystyle \sf \: 3 \: + \: 2\: × \: -0.67 \: = \: 1 \: +0.67) \\ \\ \\\end{gathered}\end{gathered}$

$\begin{gathered}\begin{gathered}: \implies \underline{ \boxed{\displaystyle \sf \bold{\: 1.66\: = \: 1.66 }} }\\ \\\end{gathered}\end{gathered}$

Hence, Verified

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