Beginning Algebra: Real Numbers, Algebraic Expressions, Linear Equations & Graphs by William Parks

Author:William Parks [Parks, William]
Language: eng
Format: epub, azw3
Publisher: Hershey Books
Published: 2016-01-25T23:00:00+00:00

18. In this frame we take the equation y – 5x – 2 = 0

and solve for “y” using basic rules. First we add 5x

to both sides and then we add 2 to both sides. The final

result is the equivalent equation y = 5x + 2

19. The most common form of a first degree equation in two

variables is: y = ax + b where a and b are numbers

and “a” does not equal zero.

y = ax + b is very useful in finding solutions to first degree

equations in two variables. Unlike solutions we found

eariler, the solutions for equations in two variables are not

single numbers but pairs of numbers.

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