7.3: What's the Equation?
1. Complete each equation so that it is true for all values of x
a. 3x+6=3(x+_)
b. x-2=-(-x)
c. 15x-10 over 5 =_ -2

2. Complete each equation so that it is true for no values of x.
a. 3x+6=3(x+_)
b.
x-2=-(_-x)
c. 15x-10 over 5 = _ -2

3. Describe how you know whether an equation will be true for all values of x or true
for no values of x.