to come up with the total
The answer depends on the equation: there is no single method which can be used for all equations.
You add or subtract, as required by the equation!
There is addition,subtraction,multiplication,division,algerbra equations,and that's it.
There are no inequalities when it comes to addition and subtraction. Both formulas are designed to secure precise and concise equations. This goes for positive numbers, along with negative numbers.
Parenthesis, exponents, multiplication, division, addition, subtraction. PEMDAS
These equations are when the numbers are combined and sometimes divided. There are many more than simply 8 of these equations.
who discovered addition and subtraction.
Follow PEMDAS (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction), but do what is in the brackets first.