McGraw Hill Integrated II, 2012
MH
McGraw Hill Integrated II, 2012 View details
Get Ready for the Chapter
Continue to next subchapter

Exercise 5 Page 273

Substitute 3 for x.

12

Practice makes perfect
To evaluate the given expression for x=3, we should substitute 3 for x in the given expression and then simplify.
x+(x+1)+(x+2)
3+( 3+1)+( 3+2)
3+(4)+(5)
3+4+5
12