Answer:
step one needs to be fixed... you are supposed to subtract 10 from both sides of the equation.
Step-by-step explanation:
STEP 1: Move all terms not containing n to the right side of the equation.

STEP 2: Divide each term by 2 and simplify.

Answer:
I think the answer is D.
Step-by-step explanation:
Answer:
better angle please then I can help
Step-by-step explanation:
Answer:
D. 5x - 1
Step-by-step explanation:
(f+g)(x) ➡ f(x) + g(x)
3x -2 + 2x + 1 = 5x -1
Y=90 degrees as it’s a right angle and if you where to add 60 and 90 it would be 150 degrees taken away from 180 as all triangles angles adds up to 180 degrees hope this helps