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# Copy of Literal Equations

Students will be introduced to solving literal equations for a variable
by

## Lynn McGiveron

on 16 September 2013

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#### Transcript of Copy of Literal Equations

Literal
Equations

Literal equations are also formulas...
Solving for a single variable
Equations with only variables..
In this lesson you will rewrite
and use literal equations
Let's Review
What are literal equations?
It will look like this:
Solve the equation 10x + 5y= 80 for y
Looks something like this:
ax + b = c solve for x
Area of a triangle: A= 1/2bh

distance travled: d= rt

Temperature: C= 5/9(F-32)
hint: literal equations have more than one variable
All this means is to get y by itself...
For example:

10x + 5y = 80
-10x -10x
5y = 80 - 10x

y = 16 - 2x
Or this...
m-d/e =g solve for d
Can you solve for t?
d= rt
What does it mean to solve for a variable?
Classwork
ax + b = c
-b -b
ax = c - b
x = (c-b)/a
m-d/e = g
m-d = eg
-m -m
-d = eg - m
d = m - eg
Full transcript