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McGraw Hill Glencoe Algebra 2, 2012 View details

3. Solving Equations

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Exercise 45 Page 23

Apply inverse operations to isolate c.

m=E/c^2

Practice makes perfect

To solve the given formula for c, we will use the Properties of Equality to apply inverse operations on the equation. Remember, only like terms can be combined.

E=mc^2

▼

.LHS /c^2.=.RHS /c^2.

DivEqn

.LHS /c^2.=.RHS /c^2.

E/c^2=mc^2/c^2

ReduceFrac

a/b=.a /c^2./.b /c^2.

E/c^2=m/1

DivByOne

a/1=a

E/c^2=m