Step-by-step explanation:
it is like a regular addition of numbers. you add the different positions.
3x + 7x = 10x
-y + y = 0
-5 + 15 = 10
so, D. is the right answer : 10x = 10
Answer:
So 30 hotdogs in your answer
Step-by-step explanation:
34-19= 15
15x2=30
Let's say is "x", so, then "x" is the 100%, and we know that the 60% is 120, what the dickens is "x" anyway?
Answer:
B. -3/4.
Step-by-step explanation:
|15 - 12| | - 21 + 9 |
----------- - | -----------|
4 | 8 |
= 3/ 4 - | - 12 / 8 |
= 3/4 - 12/8
= 3/4 - 3/2
= -3/4.
