[tex]\huge \colorbox{pink} {«==Answer==» }[/tex]
[tex]\large \bold \color{red} {(6x7)+4(8-3)}[/tex]
[tex] \large \bold \color{green}{6x_{7}+4\times 5 }[/tex]
[tex]\huge \bold \color{cyan} {6x_{7}+20 }[/tex]