SOLVING LINEAR EQUATIONS
Recall the following:
- A linear equation is a polynomial of degree 1.
- In order to solve for the unknown variable, you must isolate the
- In the order of operations, multiplication and division are completed
before addition and subtraction.
LINEAR EQUATION - Solve for x in the following equation.
The exact answer is
The approximate answer is
Check the solution by substituting or 143.418948 in
the original equation for x. If the left side of the equation equals the
right side of the equation after the substitution, you have found the
Since the left side of the original equation equals the right side of the
original equation when the value 143.418948 is substituted for x, the solution
x=143.418948 is verified.
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Author: Nancy Marcus
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