function

Given the following functions perform the following operatons :f(x) o. g(x)

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$f(x)=5x-4$ and  $g(x)=-2x+3$

$f(x)=g(x)\\ 5x-4=-2x+3\\ 7x=7$

$x=1$

1.)      $10x-11=\color{blue} -1$

2.)   $-10x-14=\color{blue}-24$

3.)      $10x+11\color{blue}=21$

4.)        $10x+4\color{blue}=14$

  !