How do I perform subtraction in C++?

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In C++, Subtraction is performed using arithmetic operator - . The operator takes two operands and returns the subtraction of second operand from first operand.
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Experienced Computer trainer having worked in IT sector for 20 years.

In C++, Subtraction is performed using arithmetic operator -. The operator takes two operands and returns the subtraction of second operand from first operand.
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I am interested to enter IT field. But I am not from IT background. My qualification is BBM. I am planing to start with C and C++ course, but i don't have much idea about it. Can some one please let me know what is best course to start with.
if u really have interset in IT filed u better learn .net, core java, spring java, python programming languages than c and c++. but u don't know the basics programming language better going for c and c++ learning course.
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