Answer:
ok so add the two X's together
-2x+3x=1x
then at 6 and 7= 13
so answer is 1x+13
Step-by-step explanation:
x +13
3x+6-2x+7
Combine like terms
3x-2x +6+7
19 people were surveyed
0 children = 3
1 child = 4
2 children = 5
3 children = 5
4 children = 2
3 + 4 = 7 + 10 = 17 + 2 = 19
55