2x + 3 = 15
- 3 from both sides
2x = 12
divide both sides by 2
x = 6
12
It equals 285
-9
15 plus -3 equals 12 12 divided by -6 equals -2
-15 plus 20 is 5.
-15
12
32
4 multiplyed by a number (Variable) plus 5 multiplyed by a number (V) equals 15 4v + 5v = 15 15/5 = v 15/4 = impossibility >_< Sorry :~) v = ImPoSiBiLiTy
To find the number that, when multiplied by itself twice, equals 225, you need to find the square root of 225. The square root of 225 is 15. Therefore, the number you are looking for is 15. When you multiply 15 by itself twice (15 x 15 x 15), you get 225.
It equals 285
The answer is 27. 10+15=25. 25+2=27.
57 - (24 plus 15) = 18
No because two plus 15 equals 17
3
30
9 plus 135 = 16 The series is formed by dividing the second number by the first number and then adding 1 to the quotient. 18 ÷ 3 = 6 : 6 + 1 = 7 14 ÷ 7 + 2 : 2 + 1 = 3 18 ÷ 6 = 3 : 3 + 1 = 4 112 ÷ 8 = 14 : 14 + 1 = 15 135 ÷ 9 = 15 : 15 + 1 = 16