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You need to make 18 cupcakes for a birthday party. You have already made 11. How many more cupcakes do you need to make? Write an equation and solve.

Verified Answer :

Ariannamarie01

11 + c = 18
subtract 11 from both sides
c = 7

18 - 11
= 7

11 + x = 18
Solve for x.

x+11=18

Subtract 11 from both sides.

x+11−11=18−11

You get 7

7 cupcakes. 
Hope this helps.

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