Question 104451
Solve:
10+3(x+2) = 31 First, subtract 10 from both sides.
3(x+2) = 21 Now divide both sides by 3.
x+2 = 7 Finally, subtract 2 from both sides.
x = 5
Check: Substitute x = 5.
10+3(5+2) = 31
10+3(7) = 31
10+21 = 31
31 = 31