An algebraic equation contains one or more letters in it. Each letter in the equation is called a variable. A variable can change in value. We guess at different values for each letter until our ...

Algebra is used in Maths when we do not know the exact number in a calculation - this unknown value can be replaced with a letter. We solve an equation by working out the value for one letter.

Not only do you already use algebra every day—like deciding how many reusable bags to bring into the store, or buying enough tile to cover the entire floor—but some simple equations could make ...

Simple equations, such as the fill-in-the-blanks in Ms. Frawley’s kindergarten class, help students understand what the equals sign means in algebra. How, Not Why ...

15) and set up some equations in "Transimpedance Amplifier Stuff" (Electronic Design, Jan. 8, p. 139). So it's not that I can't do algebraic equations—I just prefer not to, usually.

PROF. RONALD ROSS gave in NATURE of October 29, 1908, an article upon “A Method of solving Algebraic Equations.” Without going into the matter itself, or into details concerning it, I beg to ...