3k-5=7k+73k-7k=7+5-4k=12k=-3
The mean is 5.
7 or seven ?x<3
3 + 8 + 21 + 22 + 36 = 90 Ans.// What do you mean?
No.
42
67 plus 3 equals 70.
3 plus 1 plus 4 equals 8
Yes, -8 plus plus 3 equals -5. The "plus plus" is equivalent to a positive sign, so -8 plus (+3) equals -5.
If you mean: x-5+5x = -3 then x = 1/3
you mean: x+3x+3=x+18 so x=5
12