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Simplify the following expression x - 4y + 5z - 3x - y + 2z = ?
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ok lets combine the like terms whats -3x+x ?
this is same as \(\large \color{black}{\begin{align} x - 4y + 5z - 3x - y + 2z &=x- 3x - y- 4y + 2z+ 5z \hspace{.33em}\\~\\ &=x(1- 3) - y(1+4) + z(2+ 5) \hspace{.33em}\\~\\ \end{align}}\)
-2x @pooja195
yep do it for \(-4y-y \) and \(5z+2z\) also
-2x -3y +7x
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yes \(\Huge \color{black}{\begin{align} \checkmark \hspace{.33em}\\~\\ \end{align}}\)
your answer is correct
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