Hello!

Explanation:
↓↓↓↓↓↓↓↓↓↓↓
First this problem it should be the group like terms.

Then you add similar elements.


You can also add or subtract by the numbers.


Answer⇒⇒⇒3d+9
Hope this helps!
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-Charlie
The answer is (-1,1)
The solution is the point where the two lines cross each other
Hope this helps
B. because you are still multipying they just broke it down (7*24)= 168 , and b also = 168
Answer:
3
Step-by-step explanation:
minus the variable, 4-1 is 3.