a). Solve x-4=13, b). solve 7y=35 c). solve 3w-9=27

a).  x-4=13

13+4=17

x=17

b). 7y=35

35/7=5

y=5

c). 3w-9=27

3w=27+9

3w=36

w=36/3

w=12

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