R.4 solving literal equations
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This document defines a literal equation as an equation with two or more different variables. It provides examples of literal equations such as A = bh, where b is solved for, and P = 2L + 2W, where W is solved for. The document demonstrates how to solve various literal equations for the indicated variable, such as solving for P in I = Prt, solving for x in A = x + y^2, and solving for x and y in two additional equations.
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R.4 solving literal equations
- 2. Literal Equation – an equation with two or more different variables. Helpful hint: ◦ sounds like “letter”al ◦ has multiple letters!
- 3. Solve for the indicated variable, treating the others like numbers. Example: A = bh (b)
- 4. P = 2L + 2W (W)
- 5. Solve for the indicated variable: I = Prt (P) A = x + y (x) 2
- 6. Solve for y. 2y + 5x = 6
- 7. Solve for x. y = 3x - 4
- 8. Solve for y. 12 = 6x + 3y