Let "a number" be represented by nn.
"The sum of 14 and "color(blue)("a number")" is 8 times "color(blue)("the number")The sum of 14 and a number is 8 times the number
rarr"The sum of 14 and "color(blue)(n)" is 8 times "color(blue)(n)→The sum of 14 and n is 8 times n
color(red)("The sum of 14 and "n)" is 8 times "nThe sum of 14 and n is 8 times n
rarrcolor(red)( 14 + n)" is 8 times "n→14+n is 8 times n
14 + n " is "color(green)(" 8 times "n)14+n is 8 times n
rarr14 + n " is "color(green)(8n)→14+n is 8n
14 + n color(brown)( " is")color(white)("X")8n14+n isX8n
rarr14 + n color(brown)( = )8n→14+n=8n