Answer:
x=63
Explanation:
Subtract by 150 from both sides of equation.
150-x-150=87-150
Simplify.
87-150=-63
-x=-63
Divide by -1 from both sides of equation.
-x/1=-63/-1
Simplify, to find the answer.
-63/-1=63
x=63 is the correct answer.
I hope this helps you, and have a wonderful day!