An equation is said to be linear if the equation may be written with real numbers with an x that works as a variable. The simplest form is known as the linear equation. Some of the time the way that the equation is written can be different from one another and the variable may not be written as x. So it is good to expect to see something else which is not an x.

1. How to Work on Algebra
Equation

13. The final step is to verify the
answer, the problem is that it
is the step which is skipped
often and it should be
considered as an important
step. By using this step, it is
easy to know if the answer you
got is the right answer before
you give the answer to the
instructor.

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