Question

EASY points here Solve for H; P=2L+2H

Answer 1

P=2L+2H
First, isolate 2H:
2H=P-2L
Second, get a singular value of H (just H):
2H/2=(P-2L)/2

Final answer: 

H=$\frac{P-2L}{2}$

Answer 2

P-2L= 2H
Divide by 2
H= P-2L /2 answer or P/2 - 2L/2 >
Can't cancel 2 there's a subtraction sign