Answer:
the answer will be D.
Step-by-step explanation:
Answer:
(10,51)
Step-by-step explanation:
Take the average of 3 (x1) and 17(x2). This will be your new x-coordinate.
Then take the average of 21 (y1) and 81 (y2)
(3+17)/2 = 10
(21+81)/2 = 51
Answer:
2)27
Step-by-step explanation:
18+3(3+5x)=15x+____
18+9+15x is still the same as 15x+____
so 27+15x is =15x+27
hope I helped mark as brainliest answer
Answer:
<h2>x=5</h2>
Step-by-step explanation:
Isolate by the x from one side of the equation.
First, you have to subtract by 3x from both sides.

Solve.
x=5

Therefore, the solution is x=5.