How did you get from 4 to 10?
Well, what's 10 - 4?
6.
So, 4 + 6 = 10
Check it out with the others
5 + 6 = 11
6 + 6 = 12
7 + 6 = 13
The rule is X(input) + 6 = Y(output)
Answer:
1) 2a+4a+10-6= 6a + 4
2) 3x-5x+7-7= -2x
3) - 15b+10 +10b= -5b + 10
4) - 4d+d-8-6+3b= - 3d - 14 +3b
