SOLUTION: What is the equation for: three less than one-half a number is -71

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Question 933679: What is the equation for: three less than one-half a number is -71
Answer by MathLover1(20850) About Me  (Show Source):
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if a number is x, then one-half a number is x%2F2
three less than one-half a number is x%2F2-3=-71
now you can solve for x
x%2F2-3=-71...both sides multiply by 2
2x%2F2-3%2A2=-71%2A2
x-6=-142
x=-142%2B6
x=-136