Answer:
p = 63
Step-by-step explanation:
Stage 1: Simplify the two sides of the condition.
18−0.5p=−13.5
18+−0.5p=−13.5
−0.5p+18=−13.5
Stage 2: Subtract 18 from the two sides.
−0.5p+18−18=−13.5−18
−0.5p=−31.5
Stage 3: Divide the two sides by - 0.5.
−0.5p
−0.5 = −31.5 , −0.5
p=63
