subtract 11 from both sides, $r=11$  

multiply by 11 on both sides, $r=55$  

divide by 11 on both sides, $r=15$  

add 11 on both sides, $r=16$  

 $y=2$  

 $y=1$  

 $y=9$  

 $x=4$  

 $h=8$  

 $h=2$  

 $h=-8$  

 $h=-2$  

 $b=3$  

 $b=-3$  

 $b=5$  

 $b=-5$  

 $x=27$  

 $x=3$  

 $x=-27$  

 $x=0$  

 $b=1$  

 $b=-1$  

 $b=3$  

 $b=-3$  

 $m=3$  

 $m=9$  

 $m=-7$  

 $m=7$  

 $f=32$  

 $f=-32$  

 $f=16$  

 $f=-16$  

No Solution

s = 15

Infinitely Many Solutions

s = 0

subtract 10, and then divide by 7

divide by 7, and then subtract 10

multiply by 7, and then subtract 10

add 10, and then multiply by 7

350

600

100

120

$64=14x+5$

$5x+64=14$

$5x+14=64$

$5x-14=64$

add 2 to both sides,  $w=17$  

subtract 15 from both sides,  $w=13$  

divide both sides by 2,  $w=7.5$  

multiply both sides by 2  $w=30$  

distributive property and combine like terms

operations on one side of the equation but not the other

operations on both sides of the equation (properties of equality)

add or subtract terms across the equal sign

move all terms to the left of the equal sign