How do you evaluate the expression x + 6x + 2y + 1 + 9y x=6, y=9?
1 Answer
Jun 18, 2018
Explanation:
#"simplify the expression by collecting like terms then"#
#"substitute the given values into it"#
#x+6x+2y+1+9y#
#=7x+11y+1#
#=(7xxcolor(red)(6))+(11xxcolor(blue)(9))+1#
#=42+99+1=142#
