7th Class Mathematics Sample Paper Mathematics Sample Paper - 3

  • question_answer
    If\[\frac{2x-1}{3}=\frac{x-2}{3}+1\], find the value of x.

    Answer:

    Since.\[\frac{2x-1}{3}=\frac{x-2}{3}+1\] \[\left[ On\,\,transposing\frac{x-2}{3}to\,LHS \right]\]   \[\begin{align}   & \frac{2x-1}{3}-\frac{x-2}{3}=1 \\  & \frac{\left( 2x-1 \right)-\left( x-2 \right)}{3}=1 \\ \end{align}\] \[\begin{align}   & \frac{2x-1-x+2}{3}=1 \\  & \frac{x+1}{3}=1 \\ \end{align}\]                        \[\begin{align}   & x+1=3\times 1 \\  & x+1=3 \\ \end{align}\]                        Thus,                      \[\begin{align}   & x=3-1 \\  & x=2 \\ \end{align}\]


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