2 years ago

Emma has addressed seven invitations to her

Mathematics

2 answers:

Firlakuza [10]2 years ago

8 0

Answer:

Step-by-step explanation:

This can be solved by working backwards.

7 is one more than half the number of invitations.

Subtract 1. 6 is half the number of invitations.

Double.

12 is the full number of invitations.

Algebra (if you must!):

x = number of invitations

x/2 + 1 = 7

Subtract 1.

x/2 = 6

Multiply by 2.

x = 12

sweet-ann [11.9K]2 years ago

4 0

Answer:

Step-by-step explanation:

7-1=6

6x2=12

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